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This HTML-formatted table is based on a WMO document.
Please consult the original WMO document for more details and for possible notes.
Links to classes: 01 02 04 08 10 11 13 19 20 21 22 23 24 25 26 29 30 31 33 35
C 001003
0 Antarctica
1 Region I
2 Region II
3 Region III
4 Region IV
5 Region V
6 Region VI
7 Missing value
C 001007
0 Reserved
1 ERS1
2 ERS2
3 METOP-1
4 METOP-2
5 METOP-3
20 SPOT1
21 SPOT2
22 SPOT3
23 SPOT4
40 OERSTED
41 CHAMP
50 METEOSAT 3
51 METEOSAT 4
52 METEOSAT 5
53 METEOSAT 6
54 METEOSAT 7
55 METEOSAT 8
56 METEOSAT 9
57 METEOSAT 10
58 METEOSAT 1
59 METEOSAT 2
60 ENVISAT
70 METEOSAT 11
120 ADEOS
121 ADEOS II
150 GMS 3
151 GMS 4
152 GMS 5
171 MTSAT-1R
200 NOAA 8
201 NOAA 9
202 NOAA 10
203 NOAA 11
204 NOAA 12
205 NOAA 14
206 NOAA 15
207 NOAA 16
208 NOAA 17
209 NOAA 18
220 LANDSAT 5
221 LANDSAT 4
222 LANDSAT 7
240 DMSP 7
241 DMSP 8
242 DMSP 9
243 DMSP 10
244 DMSP 11
245 DMSP 12
246 DMSP 13
247 DMSP 14
248 DMSP 15
249 DMSP 16
250 GOES 6
251 GOES 7
252 GOES 8
253 GOES 9
254 GOES 10
255 GOES 11
256 GOES 12
260 JASON 1
261 JASON 2
281 QUIKSCAT
282 TRMM
285 DMSP17
310 GOMS 1
311 GOMS 2
320 METEOR 2-21
321 METEOR 3-5
322 METEOR 3M-1
323 METEOR 3M-2
341 RESURS 01-4
430 INSAT 1B
431 INSAT 1C
432 INSAT 1D
450 INSAT 2A
451 INSAT 2B
452 INSAT 2E
470 INSAT 3A
471 INSAT 3D
472 INSAT 3E
500 FY-1C
501 FY-1D
510 FY-2
700 TIROS M (ITOS 1)
701 NOAA 1
702 NOAA 2
703 NOAA 3
704 NOAA 4
705 NOAA 5
706 NOAA 6
707 NOAA 7
708 TIROS-N
710 GOES (SMS 1)
711 GOES (SMS 2)
720 TOPEX
721 GFO (GEOSAT follow-on)
722 GRACE A
723 GRACE B
731 GOES 1
732 GOES 2
733 GOES 3
734 GOES 4
735 GOES 5
740 COSMIC-1
741 COSMIC-2
742 COSMIC-3
743 COSMIC-4
744 COSMIC-5
745 COSMIC-6
763 NIMBUS 3
764 NIMBUS 4
765 NIMBUS 5
766 NIMBUS 6
767 NIMBUS 7
780 ERBS
781 UARS
782 EARTH PROBE
783 TERRA
784 AQUA
800 SUNSAT
820 SAC-C
1023 Missing value
850-998 Reserved
999-1022 Reserved
(See 0'01'033, which should be used instead for encoding)
C 001033
0 WMO Secretariat
1 Melbourne
2 Melbourne
3 (reserved)
4 Moscow
5 Moscow
6 (reserved)
7 US National Weather Service, National Centres for Environmental Prediction (NCEP)
8 US National Weather Service Telecommunications Gateway (NWSTG)
9 US National Weather Service - Other
10 Cairo (RSMC/RAFC)
11 (reserved)
12 Dakar (RSMC/RAFC)
13 (reserved)
14 Nairobi (RSMC/RAFC)
15 (reserved)
16 Casablanca (RSMC)
17 Tunis (RSMC)
18 Tunis-Casablanca (RSMC)
19 (reserved)
20 Las Palmas (RAFC)
21 Algiers (RSMC)
22 ACMAD
23 Mozambique (NMC)
24 Pretoria (RSMC)
25 La Reunion (RSMC)
26 Khabarovsk (RSMC)
27 (reserved)
28 New Delhi (RSMC/RAFC)
29 (reserved)
30 Novosibirsk (RSMC)
31 (reserved)
32 Tashkent (RSMC)
33 Jeddah (RSMC)
34 Tokyo (RSMC), Japan Meteorological Agency
35 (reserved)
36 Bangkok
37 Ulan Bator
38 Beijing (RSMC)
39 (reserved)
40 Seoul
41 Buenos Aires (RSMC/RAFC)
42 (reserved)
43 Brasilia (RSMC/RAFC)
44 (reserved)
45 Santiago
46 Brazilian Space Agency - INPE
47 Colombia NMC
48 Ecuador NMC
49 Peru NMC
50 Venezuela NMC
51 Miami (RSMC/RAFC)
52 Miami (RSMC), National Hurricane Centre
53 Montreal (RSMC)
54 (reserved)
55 San Francisco
56 Reserved
57 US Air Force - Air Force Global Weather Central
58 Fleet Numerical Meteorology and Oceanography Center, Monterey, CA, USA
59 The NOAA Forecast Systems Laboratory, Boulder, CO, USA
60 United States National Centre for Atmospheric Research (NCAR)
61 Service ARGOS - Landover
62 US Naval Oceanographic Office
63 Reserved for other centres in Region IV
64 Honolulu (RSMC)
65 Darwin (RSMC)
66 (reserved)
67 Melbourne (RSMC)
68 (reserved)
69 Wellington (RSMC/RAFC)
70 (reserved)
71 Nadi (RSMC)
72 Singapore
73 Malaysia NMC
74 UK Meteorological Office - Exeter (RSMC)
75 (reserved)
76 Moscow (RSMC/RAFC)
77 Reserved
78 Offenbach (RSMC)
79 (reserved)
80 Rome (RSMC)
81 (reserved)
82 Norrköping
83 (reserved)
84 Toulouse (RSMC)
85 Toulouse (RSMC)
86 Helsinki
87 Belgrade
88 Oslo
89 Prague
90 Episkopi
91 Ankara
92 Frankfurt/Main (RAFC)
93 London (WAFC)
94 Copenhagen
95 Rota
96 Athens
97 European Space Agency (ESA)
98 European Centre for Medium Range Weather Forecasts (ECMWF) (RSMC)
99 De Bilt
100 Brazzaville
101 Abidjan
102 Libyan Arab Jamahiriya NMC
103 Madagascar NMC
104 Mauritius NMC
105 Niger NMC
106 Seychelles NMC
107 Uganda NMC
108 Tanzania NMC
109 Zimbabwe NMC
110 Hong-Kong, China
111 Afghanistan NMC
112 Bahrain NMC
113 Bangladesh NMC
114 Bhutan NMC
115 Cambodia NMC
116 Democratic People's Republic of Korea NMC
117 Islamic Republic of Iran NMC
118 Iraq NMC
119 Kazakhstan NMC
120 Kuwait NMC
121 Kyrgyz Republic NMC
122 Lao People's Democratic Republic NMC
123 Macao, China
124 Maldives NMC
125 Myanmar NMC
126 Nepal NMC
127 Oman NMC
128 Pakistan NMC
129 Qatar NMC
130 Republic of Yemen NMC
131 Sri Lanka, NMC
132 Tajikistan NMC
133 Turkmenistan NMC
134 United Arab Emirates NMC
135 Uzbekistan, NMC
136 Socialist Republic of Viet Nam NMC
140 Bolivia NMC
141 Guyana NMC
142 Paraguay NMC
143 Suriname NMC
144 Uruguay NMC
145 French Guyana
146 Brazilian Navy Hydrographic Centre
150 Antigua and Barbuda NMC
151 Bahamas NMC
152 Barbados NMC
153 Belize NMC
154 British Caribbean Territories Centre
155 San Jose
156 Cuba NMC
157 Dominica NMC
158 Dominican Republic NMC
159 El Salvador NMC
160 US NOAA/NESDIS
161 US NOAA Office of Oceanic and Atmospheric Research
162 Guatemala NMC
163 Haiti NMC
164 Honduras NMC
165 Jamaica NMC
166 Mexico
167 Netherlands Antilles and Aruba NMC
168 Nicaragua NMC
169 Panama NMC
170 Saint Lucia NMC
171 Trinidad and Tobago NMC
172 French Departments
190 Cook Islands NMC
191 French Polynesia NMC
192 Tonga NMC
193 Vanuatu NMC
194 Brunei NMC
195 Indonesia NMC
196 Kiribati NMC
197 Federated States of Micronesia NMC
198 New Caledonia NMC
199 Niue
200 Papua New Guinea NMC
201 Philippines NMC
202 Samoa NMC
203 Solomon Islands NMC
210 Frascati (ESA/ESRIN)
211 Lanion
212 Lisboa
213 Reykjavik
214 Madrid
215 Zürich
216 Service ARGOS Toulouse
217 Bratislava
218 Budapest
219 Ljubljana
220 Warsaw
221 Zagreb
222 Albania NMC
223 Armenia NMC
224 Austria NMC
225 Azerbaijan NMC
226 Belarus NMC
227 Belgium NMC
228 Bosnia and Herzegovina NMC
229 Bulgaria NMC
230 Cyprus NMC
231 Estonia NMC
232 Georgia NMC
233 Dublin
234 Israel NMC
235 Jordan NMC
236 Latvia NMC
237 Lebanon NMC
238 Lithuania NMC
239 Luxembourg
240 Malta NMC
241 Monaco
242 Romania NMC
243 Syrian Arab Republic NMC
244 The former Yugoslav Republic of Macedonia NMC
245 Ukraine NMC
246 Republic of Moldova
254 EUMETSAT Operation Centre
255 Missing value
137-139 Reserved for other centres
147-149 Reserved for other centres
173-189 Reserved for other centres
204-209 Reserved for other centres
247-253 Reserved for other centres
Notes:
Use in BUFR Edition 3 of Octet 5, Section 1 with the following meaning:
Code figure 0:
Not a sub-centre, the originating/generating centre is the centre defined by Octet 6, Section 1 of BUFR edition 3.
Code figures 1 to 254:
Identifier of the sub-centre which is the originating/generating centre. The identifier of the sub-centre is allocated by the associated centre which is defined by octet 6, Section 1 of BUFR Edition 3. The sub-centre(s) identifiers should be supplied to the WMO Secretariat by the associated centre(s) for publication.
(To be defined by centres themselves)
Please consult WMO manual for this code table.
(The first 3 digits represent the ISO country code)
C 001036 036001 Australia, Bureau of Meteorology (BOM) 036002 Australia, Joint Australian Facility for Ocean Observing Systems (JAFOOS) 036003 Australia, the Commonwealth Scientific and Industrial Research Organisation (CSIRO) 124001 Canada, Marine Environmental Data Service (MEDS) 124002 Canada, Institute of Ocean Sciences (IOS) 156001 China, The State Oceanic Administration 156002 China, Second Institute of Oceanography, State Oceanic Administration 156003 China, Institute of Ocean Technology 250001 France, Institut de Recherche pour le Développement (IRD) 250002 France, Institut Français de Recherche pour l'Exploitation de la mer (IFREMER) 276001 Germany, Bundesamt für Seeschiffahrt und Hydrographie (BSH) 276002 Germany, Institut für Meereskunde, Kiel 356001 India, National Institute of Oceanography (NIO) 356002 India, National Institute for Ocean Technology (NIOT) 356003 India, National Centre for Ocean Information Servic 392001 Japan, Japan Meteorological Agency (JMA) 392002 Japan, Frontier Observational Research System for Global Change 392003 Japan, Japan Marine Science and Technology Centre (JAMSTEC) 410001 Korea Rep., Seoul National University 410002 Korea Rep., Korea Ocean Research and Development Institute (KORDI) 410003 Korea Rep., Meteorological Research Institute 540001 New Caledonia, Institut de Recherche pour le Développement (IRD) 554001 New Zealand, National Institute of Water and Atmospheric Research (NIWA) 643001 Russia, State Oceanographic Institute of Roshydromet 643002 Russia, Federal Service for Hydrometeorology and Environmental Monitoring 724001 Spain, Instituto Espańol de Oceanografía 826001 United Kingdom, Hydrographic Office 826002 United Kingdom, Southampton Oceanography Centre (SOC) 840001 USA, NOAA Atlantic Oceanographic and Meteorological Laboratories (AOML) 840002 USA, NOAA Pacific Marine Environmental Laboratories (PMEL) 840003 USA, Scripps Institution of Oceanography (SIO) 840004 USA, Woods Hole Oceanographic Institution (WHOI) 840005 USA, University of Washington 840006 USA, Naval Oceanographic Office 1048575 Missing value
C 001090
0 LAF (Lagged-Average Forecasting)
1 Breeding
2 Singular vectors
3 Multiple analysis cycles
255 Missing value
4-191 Reserved, 192-254 Reserved for local use
C 001092
0 Unperturbed high-resolution control forecast
1 Unperturbed low-resolution control forecast
2 Negatively perturbed forecast
3 Positively perturbed forecast
255 Missing value
4-191 Reserved, 192-254 Reserved for local use
C 002001
0 Automatic
1 Manned
2 Hybrid: both manned and automatic
3 Missing value
Type of instrumentation and original units for wind measurement (measured in m/s unless otherwise indicated)
F 002002
1 Certified instruments
2 Originaly measured in knots
3 Originaly measured in km/h
All 4: Missing value
C 002003
0 Pressure instrument associated with wind measuring equipment
1 Optical theodolite
2 Radio theodolite
3 Radar
4 VLF-Omega
5 Loran-C
6 Wind profiler
7 Satellite navigation
8 Radio-Acoustic Sounding System (RASS)
9 Sodar
14 Pressure instrument associated with wind measurement equipment but pressure element failed during ascent
15 Missing value
10-13 Reserved
Instrument or crop type - Type of data
C 002004
0 USA open pan evaporimeter (without cover) - Evaporation
1 USA open pan evaporimeter (mesh covered) - Evaporation
2 GGI-3000 evaporimeter (sunken) - Evaporation
3 20 m2 tank - Evaporation
4 Others - Evaporation
5 Rice - Evapotraspiration
6 Wheat - Evapotraspiration
7 Maize - Evapotraspiration
8 Sorghum - Evapotraspiration
9 Other crops - Evapotraspiration
15 Missing value
10-14 Reserved
C 002011
0 Reserved
1 Reserved
2 No radiosonde - passive target (e.g. reflector)
3 No radiosonde - active target (e.g. transponder)
4 No radiosonde - passive temperature-humidity profiler
5 No radiosonde - active temperature-humidity profiler
6 No radiosonde - radio-acoustic sounder
7 No radiosonde - ... (reserved)
8 No radiosonde - ... (reserved)
9 No radiosonde - system unknown or not specified
10 VIZ type A pressure-commutated (USA)
11 VIZ type B time-commutated (USA)
12 RS SDC (Space Data Corporation - USA)
13 Astor (no longer made - Australia)
14 VIZ MARK I MICROSONDE (USA)
15 EEC Company type 23 (USA)
16 Elin (Austria)
17 GRAW G. (Germany)
18 Reserved for allocation of radiosondes
19 GRAW M60 (Germany)
20 Indian Meteorological Service MK3 (India)
21 VIZ/Jin Yang MARK I MICROSONDE (South Korea)
22 Meisei RS2-80 (Japan)
23 Mesural FMO 1950A (France)
24 Mesural FMO 1945A (France)
25 Mesural MH73A (France)
26 Meteolabor Basora (Switzerland)
27 AVK-MRZ (Russian Federation)
28 Meteorit Marz2-1 (Russian Federation)
29 Meteorit Marz2-2 (Russian Federation)
30 Oki RS2-80 (Japan)
31 VIZ/Valcom type A pressure-commutated (Canada)
32 Shanghai Radio (China)
33 UK Met Office MK3 (UK)
34 Vinohrady (Czechoslovakia)
35 Vaisala RS18 (Finland)
36 Vaisala RS21 (Finland)
37 Vaisala RS80 (Finland)
38 VIZ LOCATE Loran-C (USA)
39 Sprenger E076 (Germany)
40 Sprenger E084 (Germany)
41 Sprenger E085 (Germany)
42 Sprenger E086 (Germany)
43 AIR IS - 4A - 1680 (USA)
44 AIR IS - 4A - 1680 X (USA)
45 RS MSS (USA)
46 Air IS - 4A - 403 (USA)
47 Meisei RS2-91 (Japan)
48 VALCOM (Canada)
49 VIZ MARK II (USA)
50 GRAW DFM-90 (Germany)
51 VIZ-B2 (USA)
52 Vaisala RS80-57H
53 AVK-RF95 (Russian Federation)
54 GRAW DFM-97 (Germany)
55 Meisei RS-016 (Japan)
56 M2K2 (France)
57 M2K2-P (France)
58 AVK-BAR(Russian Federation)
59 Modem M2K2-R 1680 MHz RDF radiosonde with pressure sensor chip (France)
60 Vaisala RS80/MicroCora (Finland)
61 Vaisala RS80/Loran/Digicora I,II or Marwin (Finland)
62 Vaisala RS80/PCCora (Finland)
63 Vaisala RS80/Star (Finland)
64 Orbital Sciences Corporation, Space Data Division, transponder radiosonde, type 909-11-XX, where XX correspond to the model of the instrument (USA)
65 VIZ transponder radiosonde, model number 1499-520 (USA)
66 Vaisala RS80/Autosonde (Finland)
67 Vaisala RS80/Digicora III (Finland)
68 AVK-MRZ-UAP(Russian Federation)
69 AVK-BAR-UAP(Russian Federation)
70 Vaisala RS92/Star (Finland)
71 Vaisala RS90/Loran/Digicora I,II or Marwin (Finland)
72 Vaisala RS90/PC-Cora (Finland)
73 Vaisala RS90/Autosonde (Finland)
74 Vaisala RS90/Star (Finland)
75 AVK-MRZ-ARMA (Russian Federation)
76 AVK-RF95-ARMA (Russian Federation)
77 GEOLINK GPSonde GL98 (France)
78 Vaisala RS90/Digicora III (Finland)
79 Vaisala RS92/Digicora I,II or Marwin (Finland)
80 Vaisala RS92/Digicora III (Finland)
81 Vaisala RS92/Autosonde (Finland)
82 Sippican MK2 GPS/STAR (USA) with rod thermistor, carbon element, and derived pressure
83 Sippican MK2 GPS/W9000 (USA) with rod thermistor, carbon element, and derived pressure
84 Sippican MARK II with chip thermistor, carbon element, and derived pressure from GPS height
85 Sippican MARK IIA with chip thermistor, carbon element, and derived pressure from GPS height
86 Sippican MARK II with chip thermistor, pressure, and carbon element
87 Sippican MARK IIA with chip thermistor, pressure, and carbon element
88 MARL-A-MRZ (Russian Federation)
89 MARL-A-BAR (Russian Federation)
90 Radiosonde not specified or unknown
91 Pressure-only radiosonde
92 Pressure-only radiosonde plus transponder
93 Pressure-only radiosonde plus radar-reflector
94 No-pressure radiosonde plus transponder
95 No-pressure radiosonde plus radar-reflector
96 Descending radiosonde
255 Missing value
97-99 Reserved for allocation of sounding systems with incomplete sondes
100-254 Reserved
Notes:
(To be developed)
C 002013
0 No correction
1 CIMO solar corrected and CIMO infrared corrected
2 CIMO solar corrected and infrared corrected
3 CIMO solar corrected only
4 Solar and infrared corrected automatically by radiosonde system
5 Solar corrected automatically by radiosonde system
6 Solar and infrared corrected as specified by country
7 Solar corrected as specified by country
15 Missing value
8-14 Reserved
C 002014
0 No windfinding
1 Automatic with auxiliary optical direction finding
2 Automatic with auxiliary radio direction finding
3 Automatic with auxiliary ranging
4 Not used
5 Automatic with multiple VLF-Omega signals
6 Automatic cross chain Loran-C
7 Automatic with auxiliary wind profiler
8 Automatic satellite navigation
19 Tracking technique not specified
20 Vessel stopped
21 Vessel diverted from original destination
22 Vessel's arrival delayed
23 Container damaged
24 Power failure to container
29 Other problems
30 Major power problems
31 UPS inoperative
32 Receiver hardware problems
33 Receiver software problems
34 Processor hardware problems
35 Processor software problems
36 NAVAID system damaged
37 Shortage of lifting gas
38 Reserved
39 Other problems
40 Mechanical defect
41 Material defect (hand launcher)
42 Power failure
43 Control failure
44 Pneumatic/hydraulic failure
45 Other problems
46 Compressor problems
47 Balloon problems
48 Balloon release problems
49 Launcher damaged
50 R/S receiver antenna defect
51 NAVAID antenna defect
52 R/S receiver cabling (antenna) defect
53 NAVAID antenna cabling defect
59 Other problems
60 ASAP communications defect
61 Communications facility rejected data
62 No power at transmitting antenna
63 Antenna cable broken
64 Antenna cable defect
65 Message transmitted power below normal
69 Other problems
70 All systems in normal operation
99 Status of system and its components not specified
127 Missing value
25-28 Reserved for future use
9-18, 54-58, 66-68, 71-98, 100-126 Reserved
C 002015
0 Reserved
1 Pressure only radiosonde
2 Pressure only radiosonde plus transponder
3 Pressure only radiosonde plus radar reflector
4 No-pressure radiosonde plus transponder
5 No-pressure radiosonde plus radar reflector
15 Missing value
6-14 Reserved
F 002016
1 Train regulator
2 Light unit
3 Parachute
4 Rooftop release
All 5: Missing value
Agency - Type - Instrument short name (for Instrument long name please consult WMO manual)
C 002019
10 BNSC Radiometer AATSR
11 BNSC Radiometer ATSR
12 BNSC Radiometer ATSR-2
13 BNSC Radiometer MWR
30 CNES Communications ARGOS
40 CNES Lidar Laser reflectors
41 CNES Lidar DORIS
47 CNES Radar altimeters POSEIDON
50 CNES Imager radiometer ATSR/M
52 CNES Radiometer HRV
53 CNES Radiometer HRVIR
54 CNES Radiometer ScaRaB/MV2
55 CNES Radiometer POLDER
60 CNES Spectrometer VEGETATION
61 CNES Spectrometer WINDII
80 CSA Communications RADARSAT DTT
81 CSA Communications RADARSAT TTC
85 CSA Radar SAR (CSA)
90 CSA Radiometer MOPITT
91 CSA Chemistry Instruments OSIRIS
97 CSIRO Radiometer Panchromatic imager
102 DLR Radiometer CHAMP GPS Sounder
116 DLR Magnetometer CHAMP gravity package (Accelerometer+GPS)
117 DLR Magnetometer CHAMP magnetometry package (1 Scalar+2 Vector Magnetometer)
120 ESA Communications ENVISAT Comms
121 ESA Communications ERS Comms
130 ESA Lidars ALADIN
140 ESA Radar AMI/SAR/Image
141 ESA Radar AMI/SAR/wave
142 ESA Radar AMI/scatterometer
143 ESA Radar ASAR
144 ESA Imaging microwave radars ASAR
145 ESA Imaging microwave radars ASAR
147 ESA Radar RA-2/MWR
148 ESA Radar RA/MWR
161 ESA Radiometer MIPAS
163 ESA Atmospheric chemistry instruments SOPRANO
170 ESA Atmospheric chemistry instruments GOME I
172 ESA Spectrometer GOMOS
174 ESA Spectrometer MERIS
175 ESA Spectrometer SCIAMACHY
181 EUMETSAT Communications METEOSAT Comms
200 EUMETSAT Radiometer GERB
202 EUMETSAT Radiometer GRAS
203 EUMETSAT Radiometer MHS
205 EUMETSAT Radiometer MVIRI
207 EUMETSAT Radiometer SEVIRI
220 EUMETSAT Spectrometer GOME-2
221 EUMETSAT Spectrometer IASI
240 INPE Communications DCP
245 INPE Radiometer CCD
246 INPE Radiometer-sounders HSB
250 INPE Radiometer WFI
255 INPE Spectrometer IRMSS
260 ISRO Communications BSS & FSS transponders
261 ISRO Communications DRT-S & R
262 ISRO Communications INSAT Comms
268 ISRO Radiometer HR-PAN
269 ISRO Radiometer MSMR
270 ISRO Radiometer VHRR
271 ISRO Radiometer WiFS
276 ISRO Spectro-radiometer LISS-I
277 ISRO Spectro-radiometer LISS-II
278 ISRO Spectro-radiometer LISS-III
279 ISRO Spectro-radiometer LISS-IV
284 ISRO Spectro-radiometer PAN
285 ISRO Spectrometer MOS
290 JMA Communications MTSAT Comms
294 JMA Imaging multi-spectral radiometers IMAGER/MTSAT-1R
295 JMA Radiometer IMAGER/MTSAT
296 JMA Radiometer VISSR (GMS4)
301 NASA Lidar LRA
302 NASA Lidar MBLA
312 NASA Radar NSCAT
313 NASA Radar SeaWinds
330 NASA Radiometer ACRIM
334 NASA Radiometer BUV
336 NASA Radiometer ALI
347 NASA Radiometer ASTER
348 NASA Radiometer CERES-2
351 NASA Radiometer GPSDR
353 NASA Radiometer HiRDLS
354 NASA Radiometer HRDI
356 NASA Radiometer LIS
358 NASA Radiometer PEM
376 NASA Radiometer POLDER II
359 NASA Radiometer SeaWiFS
360 NASA Radiometer SUSIM (UARS)
363 NASA Radiometer SBUV/1
365 NASA Radiometer TMI
366 NASA Radiometer JMR
369 NASA Radiometer LIMS
370 NASA Radiometer LRIR
375 NASA Radiometer VIRS
382 NASA Spectro-radiometer CLAES
383 NASA Spectro-radiometer HALOE
384 NASA Spectro-radiometer ISAMS
385 NASA Spectro-radiometer MISR
386 NASA Spectro-radiometer MLS
387 NASA Spectro-radiometer MLS (EOS-CHEM)
389 NASA Spectro-radiometer MODIS
395 NASA Radiometer Atmospheric Corrector
396 NASA Radiometer Hyperion
399 NASA Spectro-radiometer SAGE I
400 NASA Spectro-radiometer SAGE II
401 NASA Spectro-radiometer SAGE III
402 NASA Spectro-radiometer SAMS
403 NASA Spectro-radiometer SAM II
404 NASA Spectro-radiometer IRIS
420 NASA Spectrometer AIRS
426 NASA Spectrometer SOLSTICE
430 NASA Spectrometer TES
431 NASA Spectrometer TOMS
450 JAXA Communications ADEOS Comms
451 JAXA Communications DCS (JAXA)
453 JAXA Communications GMS Comms
454 JAXA Communications JERS-1 Comms
460 JAXA Lidar RIS
461 JAXA Radar PR
462 JAXA Radar SAR
481 JAXA Radiometer AMSR
482 JAXA Radiometer AVNIR
484 JAXA Imager GLI
485 JAXA Radiometer MESSR
486 JAXA Radiometer MSR
487 JAXA Radiometer OCTS
488 JAXA Radiometer OPS
489 JAXA Spectro-radiometer VISSR (GMS5)
490 JAXA Radiometer VTIR
510 JAXA Spectrometer ILAS-I
511 JAXA Spectrometer ILAS-II
512 JAXA Spectrometer IMG
514 JAXA Space environment SEM
540 NOAA Communications DCS (NOAA)
541 NOAA Communications GOES Comms
542 NOAA Communications LANDSAT Comms
543 NOAA Communications NOAA Comms
544 NOAA Communications S & R (GOES)
545 NOAA Communications S & R (NOAA)
546 NOAA Communications WEFAX
547 NOAA Spectrometer SEM(GOES)
550 NOAA Magnetic field SSM
551 NOAA Magnetic field SSJ/4
552 NOAA Space environment SSIES-2
553 NOAA Space environment SSB/X-2
570 NOAA Radiometer AMSU-A
574 NOAA Radiometer AMSU-B
580 NOAA Radiometer ATOVS (HIRS/3 + AMSU + AVHRR/3)
590 NOAA Radiometer AVHRR/2
591 NOAA Radiometer AVHRR/3
592 NOAA Radiometer AVHRR/4
600 NOAA Radiometer ERBE
601 NOAA Radiometer ETM+
605 NOAA Radiometer HIRS/2
606 NOAA Radiometer HIRS/3
607 NOAA Radiometer HIRS/4
615 NOAA Radiometer IMAGER
620 NOAA Radiometer CrIRS/NP
622 NOAA Radiometer MSS
623 NOAA Radiometer MSU
624 NOAA Radiometer SBUV/2
625 NOAA Radiometer SBUV/3
626 NOAA Radiometer SOUNDER
627 NOAA Radiometer SSU
628 NOAA Radiometer TM
629 NOAA Radiometer TOVS (HIRS/2 + MSU + SSU)
630 NOAA Radiometer VAS
631 NOAA Radiometer SSZ
645 NOAA Spectrometer SEM
650 NRSCC Radiometer MVIRSR (10 channel)
651 NRSCC Radiometer MVIRSR (3 channel)
652 NRSCC Radiometer MVIRSR (5 channel)
670 NSAU Radar RLSBO
682 NSAU Radiometer RM-08
685 NSAU Radiometer TRASSER
700 RSA Communications KONDOR-2
701 RSA Communications BRK
710 RSA Lidar ALISSA
712 RSA Lidar Balkan-2 lidar
715 RSA Lidar MK-4
716 RSA Lidar MK-4M
730 RSA Radar Greben
731 RSA Radar SAR-10
732 RSA Radar SAR-3
733 RSA Radar SAR-70
740 RSA Radar SLR-3
745 RSA Radar Travers SAR
750 RSA Radiometer 174-K
751 RSA Radiometer BTVK
752 RSA Radiometer Chaika
753 RSA Radiometer DELTA-2
755 RSA Radiometer IKAR-D
756 RSA Radiometer IKAR-N
757 RSA Radiometer IKAR-P
760 RSA Radiometer ISP
761 RSA Radiometer KFA-1000
762 RSA Radiometer KFA-200
763 RSA Radiometer KFA-3000
770 RSA Radiometer Klimat
771 RSA Radiometer Klimat-2
775 RSA Radiometer MIRAS
776 RSA Radiometer MIVZA
777 RSA Radiometer MIVZA-M
780 RSA Radiometer MR-2000
781 RSA Radiometer MR-2000M
785 RSA Radiometer MR-900
786 RSA Radiometer MR-900B
790 RSA Radiometer MSU-E
791 RSA Radiometer MSU-E1
792 RSA Radiometer MSU-E2
793 RSA Radiometer MSU-M
794 RSA Radiometer MSU-S
795 RSA Radiometer MSU-SK
796 RSA Radiometer MSU-V
810 RSA Radiometer MTZA
815 RSA Radiometer MZOAS
820 RSA Radiometer R-225
821 RSA Radiometer R-400
822 RSA Radiometer R-600
830 RSA Radiometer RMS
835 RSA Radiometer TV camera
836 RSA Radiometer SILVA
840 RSA Spectro-radiometer SROSMO
850 RSA Spectrometer BUFS-2
851 RSA Spectrometer BUFS-4
855 RSA Spectrometer ISTOK-1
856 RSA Spectrometer SFM-2
857 RSA Spectrometer DOPI
858 RSA Spectrometer KGI-4
859 RSA Spectrometer Ozon-M
860 RSA Spectrometer RMK-2
900 NOAA Radiometer MAXIE
901 NOAA Radiometer OLS
905 NOAA Radiometer SSM/I
906 NOAA Radiometer SSM/T-1
907 NOAA Radiometer SSM/T-2
908 NOAA Radiometer SSMIS
910 NOAA Radiometer SXI
930 NOAA Spectrometer EHIC
931 NOAA Spectrometer X-ray astronomy payload
2047 Missing value
932-999 Reserved
1000-2046 Reserved for long-term future use
C 002020
0 Nimbus
1 VTPR
2 Tiros 1 (Tiros, NOAA-6 to NOAA-13)
3 Tiros 2 (NOAA-14 onwards)
10 EOS
31 DMSP
61 EUMETSAT Polar System (EPS)
91 ERS
121 ADEOS
241 GOES
261 JASON
271 GMS
301 INSAT
331 METEOSAT Operational Programme (MOP)
332 METEOSAT Transitional Programme (MTP)
333 METEOSAT Second Generation Programme (MSG)
351 GOMS
381 FY-2
401 GPS
402 GLONASS
403 GALILEO
511 Missing value
382-400 Reserved, 404-510 Reserved
F 002021
1 High resolution infra red sounder (HIRS)
2 Microwave sounding unit (MSU)
3 Stratospheric sounding unit (SSU)
4 AMI wind mode
5 AMI wave mode
6 AMI image mode
7 RADAR altimeter
8 ATSR
All 9: Missing value
Bit flags denoting the elements included in processing sounding data.
F 002022
1 Processing technique not defined
2 Automated statistical regression
3 Clear path
4 Partly cloudy path
5 Cloudy path
6 Reserved
7 Reserved
All 8: Missing value
Notes:
C 002023
0 Reserved
1 Wind derived from cloud motion observed in the infrared channel
2 Wind derived from cloud motion observed in the visible channel
3 Wind derived from cloud motion observed in the water vapour channel
4 Wind derived from motion observed in a combination of spectral channels
5 Wind derived from motion observed in the water vapour channel in clear air
6 Wind derived from motion observed in the ozone channel
7 Wind derived from cloud motion observed in water vapour channel (cloud or clear air not specified)
13 Root mean square
15 Missing value
8-12, 14 Reserved
C 002024
0 Reserved
1 Table with full range of humidity variation in layer
2 Regression technique on 2 humidity values in layer
15 Missing value
3-14 Reserved
C 002025
1 Reserved
2 HIRS - Group 1
3 MSU - Group 1
4 Reserved
5 Reserved
6 HIRS - Group 2
7 MSU - Group 2
8 Reserved
9 Reserved
10 HIRS (1, 2, 3, 8, 9, 16, 17) - Group 3
11 HIRS (1, 2, 3, 9, 17) - Group 3
12 MSU - Group 3
13 Reserved
14 Reserved
15 HIRS - Group 4
16 HIRS* - Group 4
17 MSU - Group 4
18 SKINTK (ocean only) - Group 4
19 Reserved
20 Reserved
21 HIRS* - Group 5
22 SSU - Group 5
23 MSU (3, 4) - Group 5
24 Reserved
All 25: Missing value
Notes:
C 002030
0 Reserved
1 ADCP (Acoustic Doppler Current Profiler)(*)
2 GEK (Geomagnetic EloctroKinetograph)
3 Ship's set and drift determined by fixes 3-6 hours apart
4 Ship's set and drift determined by fixes more than 6 hours but less than 12 hours apart
5 Drift of buoy
6 ADCP (Acoustic Doppler Current Profiler)
7 Missing value
Note: (*) Value deprecated. Code figure 6 should be used instead.
C 002031
0 Reserved
1 Instantaneous - between H-1 and H
2 Averaged over 3 minutes or less - between H-1 and H
3 Averaged over more than 3 minutes, but 6 at the most - between H-1 and H
4 Averaged over more than 6 minutes, but 12 at the most - between H-1 and H
5 Instantaneous - between H-2 and H-1
6 Averaged over 3 minutes or less - between H-2 and H-1
7 Averaged over more than 3 minutes, but 6 at the most - between H-2 and H-1
8 Averaged over more than 6 minutes, but 12 at the most - between H-2 and H-1
9 Vector or Doppler current profiling method not used
10 Reserved
11 1 Hour or less
12 More than 1 hour but 2 at the most
13 More than 2 hours but 4 at the most
14 More than 4 hours but 8 at the most
15 More than 8 hours but 12 at the most
16 More than 12 hours but 18 at the most
17 More than 18 hours but 24 at the most
18 Reserved
19 Drift method not used
31 Missing
20-30 Reserved
Notes:
C 002032
0 Values at selected depths (data points fixed by the instrument or selected by any other method)
1 Values at selected depths (data points taken from traces at significant depths)
2 Reserved
3 Missing value
C 002033
0 No salinity measured
1 In situ sensor, accuracy better than 0.02 per thousand
2 In situ sensor, accuracy less than 0.02 per thousand
3 Sample analysis
7 Missing value
4-6 Reserved
C 002034
0 Unspecified drogue
1 Holey sock
2 TRISTAR
3 Window shade
4 Parachute
5 Non-Lagrangian sea anchor
31 Missing value
6-30 Reserved (to be developed)
C 002036
0 Drifting buoy
1 Fixed buoy
2 Sub-surface float (moving)
3 Missing value
C 002037
0 Reserved
1 Manual reading from vertical tide staff
2 Manual reading from single automatic recorder at station
3 Manual reading from multiple automatic recorders at station
4 Automatic reading from single automatic recorder at station without level reference check
5 Automatic reading from single automatic recorder at station with level reference check, or from multiple automatic recorders
6 Reserved
7 Missing
C 002038
0 Ship intake
1 Bucket
2 Hull contact sensor
3 Reversing thermometer
4 STD/CTD sencor
5 Mechanical BT
6 Expendable BT
7 Digital BT
8 Thermistor Chain
9 Infrared scanner
10 Microwave scanner
15 Missing value
11-14 Reserved
C 002039
0 Measured wet-bulb temperature
1 Iced bulb measured wet-bulb temperature
2 Computed wet-bulb temperature
3 Iced bulb computed wet-bulb temperature
7 Missing value
4-6 Reserved
C 002040
0 Ship's motion removed by averaging - Ship's velocity removed by bottom tracking
1 Ship's motion removed by motion compensation - Ship's velocity removed by bottom tracking
2 Ship's motion not removed - Ship's velocity removed by bottom tracking
3 Ship's motion removed by averaging - Ship's velocity removed by navigation
4 Ship's motion removed by motion compensation - Ship's velocity removed by navigation
5 Ship's motion not removed - Ship's velocity removed by navigation
6 Doppler current profiling method not used
15 Missing value
7-14 Reserved
C 002041
0 Information based on manual analysis
1 Information based on computer analysis
2 Information based on data assimilation
3 Information based on computer analysis or data assimilation manually modified
10 Information based on the numerical weather prediction
63 Missing value
4-9 Reserved
11-62 Reserved for future use
C 002044
0 Reserved for future use
1 Longuet-Higgins (1964)
2 Longuet-Higgins (F3 method)
3 Maximum likelihood method
4 Maximum entropy method
15 Missing value
5-14 Reserved
C 002045
0 Sea station
1 Automatic data buoy
2 Aircraft
3 Satellite
15 Missing value
4-14 Reserved
C 002046
0 Reserved for future use
1 Heave sensor
2 Slope sensor
15 Missing value
3-14 Reserved
C 002048
0 HIRS
1 MSU
2 SSU
3 AMSU-A
4 AMSU-B
5 AVHRR
6 SSMI
7 NSCAT
8 SEAWINDS
9 POSEIDON altimeter
10 JMR (Jason Microwave Radiometer)
15 Missing value
11-14 Reserved
F 002049
1 Processing technique not defined
2 Simultaneous physical retrieval
3 Clear sounding
4 Cloudy sounding
5-7 Reserved for future use
All 8: Missing value
Notes:
Bit.No. - Channel - Central wavelength (micrometers)
F 002050
1 1 - 14.71
2 2 - 14.37
3 3 - 14.06
4 4 - 13.64
5 5 - 13.37
6 6 - 12.66
7 7 - 12.02
8 8 - 11.03
9 9 - 9.71
10 10 - 7.43
11 11 - 7.02
12 12 - 6.51
13 13 - 4.57
14 14 - 4.52
15 15 - 4.45
16 16 - 4.13
17 17 - 3.98
18 18 - 3.74
19 19 - 0.969
All 20: Missing value
Notes:
C 002051
0 Reserved
1 Maximum/minimum thermometers
2 Automated instruments
3 Thermograph
15 Missing value
4-14 Reserved
Bit.No. - Channel - Central wavelength (micrometers)
F 002052
1 1 - 0.55-0.75
2 2 - 3.9
3 3 - 6.7
4 4 - 10.7
5 5 - 12.0
All 6: Missing value
Note:
C 002053
0 Observed brightness temperature
1 Brightness temperature with bias correction applied
2 Brightness temperature calculated from first guess
3 Brightness temperature calculated from sounding
15 Missing value
4-14 Reserved
C 002054
0 Parameter derived using observed sounder brightness temperatures
1 Parameter derived using observed imager brightness temperatures
2 Parameter derived using first guess information
3 Parameter derived using NMC analysis information
4 Parameter derived using radiosonde information
15 Missing value
5-14 Reserved
C 002055
0 Statistics generated comparing retrieval versus radiosonde
1 Statistics generated comparing retrieval versus first guess
2 Statistics generated comparing radiosonde versus first guess
3 Statistics generated comparing observed versus retrieval
4 Statistics generated comparing observed versus first guess
5 Statistics generated comparing radiosonde versus imager
6 Statistics generated comparing radiosonder versus sounder
7 Statistics generated for radiosonde
8 Statistics generated for first guess
15 Missing value
9-14 Reserved
C 002056
0 Sums of differences
1 Sums of squared differences
2 Sample size
3 Minimum difference
4 Maximum difference
15 Missing value
5-14 Reserved
C 002057
0 Nested Grid Model (NGM)
1 Aviation Model (AVN)
2 Medium Range Forecast (MRF) Model
3 Global Data Assimilation System (GDAS) Forecast Model
4 Prior soundings (within 3 hours of current time)
5 Climatology
15 Missing value
6-14 Reserved
C 002058
0 12 hour and 18 hour
1 18 hour and 24 hour
2 6 hour and 12 hour
3 Greater than 24 hours
15 Missing value
4-14 Reserved
C 002059
0 NCEP Nested Grid Model (NGM) Analysis
1 NCEP Aviation Model (AVN) Analysis
2 NCEP Medium Range Forecast (MRF) Model Analysis
3 NCEP Global Data Assimilation System (GDAS) Forecast Model Analysis
15 Missing value
4-14 Reserved
C 002060
0 Current surface hourly reports
1 Current ship reports
2 Current buoy reports
3 One hour old surface hourly reports
4 One hour old ship reports
5 One hour old buoy reports
15 Missing value
6-14 Reserved
C 002061
0 Inertial navigation system
1 OMEGA
7 Missing value
2-6 Reserved
C 002062
0 ASDAR
1 ASDAR (ACARS also available but not operative)
2 ASDAR (ACARS also available and operative)
3 ACARS
4 ACARS (ASDAR also available but not operative)
5 ACARS (ASDAR also available and operative)
15 Missing value
6-14 Reserved
C 002064
0 Good
1 Bad
2 Reserved
3 Missing value
Note: Bad is currently defined as a roll angle > 5 degrees from vertical.
C 002066
0 TRS 2000
1 IMS 1500C
62 Other
63 Missing value
2-61 Reserved
C 002070
0 Actual location in seconds
1 Actual location in minutes
2 Actual location in degrees
3 Actual location in decidegrees
4 Actual location in centidegrees
5 Referenced to checkpoint in seconds
6 Referenced to checkpoint in minutes
7 Referenced to checkpoint in degrees
8 Referenced to checkpoint in decidegrees
9 Referenced to checkpoint in centidegrees
10 Actual Location in tenths of a minute
11 Referenced to checkpoint in tenths of a minute
15 Missing value
12-14 Reserved
C 002080
0 Kaysam
1 Totex
2 KKS
62 Other
63 Missing value
3-61 Reserved
C 002081
0 GP26
1 GP28
2 GP30
3 HM26
4 HM28
5 HM30
6 SV16
30 Other
31 Missing value
7-29 Reserved
C 002083
0 High bay
1 Low bay
2 Balloon inflation Launch System (BILS)
3 Roof-top BILS
14 Other
15 Missing value
4-13 Reserved
C 002084
0 Hydrogen
1 Helium
2 Natural Gas
14 Other
15 Missing value
3-13 Reserved
C 002095
0 Capacitance aneroid
1 Derived from GPS
2 Resistive strain gauge
30 Other
31 Missing value
3-29 Reserved
C 002096
0 Rod thermistor
1 Bead thermistor
2 Capacitance bead
30 Other
31 Missing value
3-29 Reserved
C 002097
0 VIZ Mark II Carbon Hygristor
1 VIZ B2 Hygristor
2 Vaisala A-Humicap
3 Vaisala H-Humicap
4 Capacitance sensor
5 Vaisala RS90
6 Sippican Mark IIA Carbon Hygristor
30 Other
31 Missing value
7-29 Reserved
C 002101
0 Centre front-fed paraboloid
1 Offset front-fed paraboloid
2 Centre Cassegrain paraboloid
3 Offset Cassegrain paraboloid
4 Planar array
5 Coaxial-collinear array
6 Yagi elements array
7 Microstrip
14 Other
15 Missing value
8-13 Reserved
F 002103
1 Radar antenna is protected by a radome
All 2: Missing value
C 002104
0 Horizontal polarization
1 Vertical polarization
2 Right circular polarization
3 Left circular polarization
4 Horizontal and vertical polarization
5 Right and left circular polarization
15 Missing value
6-14 Reserved
C 002115
0 PDB
1 RSOIS
2 ASOS
3 Psychrometer
4 F420
30 Other
31 Missing value
5-29 Reserved
F 002131
1 STC operational
All 2: Missing value
C 002143
0 Reserved
1 Brewer spectrophotometer
2 Caver Teichert
3 Dobson
4 Dobson (Japan)
5 Ehmet
6 Fecker telescope
7 Hoelper
8 Jodmeter
9 Filter Ozonometer M-83
10 Mast
11 Oxford
12 Paetzold
13 Regener
14 Reserved for future use
15 Vassy filter Ozonometer
16 Carbon iodide
17 Surface ozone bubbler
18 Filter Ozonometer M-124
19 ECC sonde
127 Missing value
20-126 Reserved
C 002144
0 Direct Sun
1 Direct Sun, attenuator #1
2 Direct Sun, attenuator #2
3 Focussed Moon
4 Focussed Sun
5 Focussed Sun corrected with adjacent sky measurements
6 Zenith Sky
15 Missing value
7-14 Reserved
Note: Entries 1 and 2 should not be used.
C 002145
0 Wavelengths AD ordinary setting
1 Wavelengths BD ordinary setting
2 Wavelengths CD ordinary setting
3 Wavelengths CC' ordinary setting
4 Wavelengths AD focussed image
5 Wavelengths BD focussed image
6 Wavelengths CD focussed image
7 Wavelengths CC' focussed image
15 Missing value
8-14 Reserved
C 002146
0 On direct Sun
1 On direct Moon
2 On blue zenith Sky
3 On zenith cloud (uniform stratified layer of small opacity)
4 On zenith cloud (uniform or moderately variable layer of medium opacity)
5 On zenith cloud (uniform or moderately variable layer of large opacity)
6 On zenith cloud (highly variable opacity, with or without precipitation)
7 On zenith cloud (fog)
8 On zenith haze
9 On direct sun through thin cloud, fog or haze
15 Missing value
10-14 Reserved
C 002148
0 Reserved
1 Argos
2 GPS
3 GOES DCP
4 METEOSAT DCP
31 Missing value
5-30 Reserved
C 002149
0 Unspecified drifting buoy
1 Standard Lagrangian drifter (Global Drifter Programme)
2 Standard FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
3 Wind measuring FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
4 Ice float
5 Reserved
6 Reserved
7 Reserved
8 Unspecified sub-surface float
9 SOFAR
10 ALACE
11 MARVOR
12 RAFOS
13 Reserved
14 Reserved
15 Reserved
16 Unspecified moored buoy
17 Nomad
18 3-metre discus
19 10-12-metre discus
20 ODAS 30 series
21 ATLAS (e.g. TAO area)
22 TRITON buoy
23 Reserved
24 Omnidirectional waverider
25 Directional waverider
26 Sub-surface ARGO float
63 Missing value
27-62 Reserved
C 002150
0 Reserved
1 HIRS 1
2 HIRS 2
3 HIRS 3
4 HIRS 4
5 HIRS 5
6 HIRS 6
7 HIRS 7
8 HIRS 8
9 HIRS 9
10 HIRS 10
11 HIRS 11
12 HIRS 12
13 HIRS 13
14 HIRS 14
15 HIRS 15
16 HIRS 16
17 HIRS 17
18 HIRS 18
19 HIRS 19
20 HIRS 20
21 MSU 1
22 MSU 2
23 MSU 3
24 MSU 4
25 SSU 1
26 SSU 2
27 SSU 3
28 AMSU-A 1
29 AMSU-A 2
30 AMSU-A 3
31 AMSU-A 4
32 AMSU-A 5
33 AMSU-A 6
34 AMSU-A 7
35 AMSU-A 8
36 AMSU-A 9
37 AMSU-A 10
38 AMSU-A 11
39 AMSU-A 12
40 AMSU-A 13
41 AMSU-A 14
42 AMSU-A 15
43 AMSU-B 1
44 AMSU-B 2
45 AMSU-B 3
46 AMSU-B 4
47 AMSU-B 5
48 AVHRR 1
49 AVHRR 2
50 AVHRR 3a
51 AVHRR 3b
52 AVHRR 4
53 AVHRR 5
63 Missing value
54-62 Reserved
C 002151
0 HIRS
1 MSU
2 SSU
3 AMSU-A1-1
4 AMSU-A1-2
5 AMSU-A2
6 AMSU-B
7 AVHRR
2047 Missing value
8-2046 Reserved
F 002152
1 High-resolution infrared sounder (HIRS)
2 Microwave sounding unit (MSU)
3 Stratospheric sounding unit (SSU)
4 AMI wind mode
5 AMI wave mode
6 AMI image mode
7 RADAR altimeter
8 ATSR
9 Geostationary imager
10 Geostationary sounder
11 Geostationary Earth radiation (GERB)
12-30 Reserved
All 31: Missing value
C 002163
0 Auto editor
1 IRW height assignment
2 WV height assignment
3 H2O intercept height assignment
4 CO2 slicing height assignment
5 Low pixel max gradient
6 Higher pixel max gradient
7 Primary height assignment
8 Layer thickness assignment
9 Cumulative contribution function -10 percent height
10 Cumulative contribution function -50 percent height
11 Cumulative contribution function -90 percent height
12 Cumulative contribution function - height of maximum gradient
13 Reserved
14 Composite height assignment
15 Missing value
C 002164
0 LP - Norms least square minimum
1 EN - Euclidean norm with radiance correlation
2 CC - Cross correlation
7 Missing value
3-6 Reserved
C 002166
0 Type not defined
1 Automated statistical regression
2 Clear path
3 Partly cloudy path
4 Cloudy path
15 Missing value
5-14 Reserved
C 002167
0 Method not defined
1 1b raw radiance
2 Processed radiance
15 Missing value
3-14 Reserved
C 002169
0 Cup rotor
1 Propeller rotor
2 Wind Observation Through Ambient Noise (WOTAN)
15 Missing value
3-14 Reserved
C 002172
0 Reserved
1 Retrieval from a nadir sounding
2 Retrieval from a limb sounding
255 Missing value
3-254 Reserved
C 002175
0 Manual measurement
1 Tipping bucket method
2 Weighing method
3 Optical method
4 Pressure method
5 Float method
6 Drop counter method
14 Others
15 Missing value
7-13 Reserved
C 002176
0 Manual observation
1 Video camera method
2 Infra-red method
3 Laser method
14 Others
15 Missing value
4-13 Reserved
C 002177
0 Manual observation
1 Ultrasonic method
2 Video camera method
14 Others
15 Missing value
3-13 Reserved
C 002178
0 Manual observation
1 Optical method
2 Capacitive method
14 Others
15 Missing value
3-13 Reserved
C 002179
0 Manual observation
1 VAISALA algorithm
2 ASOS (FAA) algorithm
3 AWOS (Canada) algorithm
14 Others
15 Missing value
4-13 Reserved
C 002180
0 Manual observation
1 Optical scatter system combined with precipitation occurrence sensing system
2 Forward and/or back-scatter system of visible light
3 Forward and/or back-scatter system of infrared light
4 Infrared light emitting diode (IRED) system
5 Doppler radar system
14 Others
15 Missing value
6-13 Reserved
F 002181
1 Rain detector
2 Freezing rain sensor
3 Ice detection sensor
4 Hail and ice pellet sensor
20 Others
5-19 Reserved
All 21: Missing value
C 002182
0 Manual measurement
1 Transmissometer system (base >= 25 m)
2 Transmissometer system (base < 25 m)
3 Forward scatter system
4 Back scatter system
14 Others
15 Missing value
5-13 Reserved
C 002183
0 Manual observation
1 Ceilometer system
2 Infrared camera system
3 Microwave visual camera system
4 Sky imager system
5 Video time lapsed camera system
6 Micropulse lidar (MPL) system
14 Others
15 Missing value
7-13 Reserved
C 002184
0 Manual observation
1 Lightning imaging sensor
2 Electrical storm identification sensor
3 Magnetic finder sensor
4 Lightning strike sensor
5 Flash counter
14 Others
15 Missing value
6-13 Reserved
C 002185
0 Manual measurement
1 Balanced floating method
2 Pressure method
3 Ultrasonic method
4 Hydraulic method
14 Others
15 Missing value
5-13 Reserved
F 002186
1 Precipitation-unknown type
2 Liquid precipitation not freezing
3 Liquid freezing precipitation
4 Drizzle
5 Rain
6 Solid precipitation
7 Snow
8 Snow grains
9 Snow pellets
10 Ice pellets
11 Ice crystals
12 Diamond dust
13 Small hail
14 Hail
15 Glaze
16 Rime
17 Soft rime
18 Hard rime
19 Clear ice
20 Wet snow
21 Hoar frost
22 Dew
23 White dew
24-29 Reserved
All 30: Missing value
F 002187
1 Dust/sand whirl
2 Squalls
3 Sand storm
4 Dust storm
5 Lightning - cloud to surface
6 Lightning - cloud to cloud
7 Lightning - distant
8 Thunderstorm
9 Funnel Cloud not touching surface
10 Funnel cloud touching surface
11 Spray
12-17 Reserved
All 18: Missing value
F 002188
1 Fog
2 Ice fog
3 Steam fog
7 Mist
8 Haze
9 Smoke
10 Volcanic ash
11 Dust
12 Sand
13 Snow
4-6, 14-20 Reserved
All 21: Missing value
F 002189
1 Manual observation
2 All lightning strikes without discrimination
3 Lightning strikes cloud to ground only
4 All lightning strikes with discrimination between cloud to ground and cloud to cloud
5-11 Reserved
All 12: Missing value
F 004059
1 00 UTC
2 06 UTC
3 12 UTC
4 18 UTC
5 Other hours
All 6: Missing value
F 008001
1 Surface
2 Standard level
3 Tropopause level
4 Maximum wind level
5 Significant level, temperature and/or relative humidity
6 Significant level, wind
All 7: Missing value
C 008002
0 Observing rules for base of lowest cloud and cloud types of FM 12 SYNOP and FM 13 SHIP apply
1 First non-Cumulonimbus significant layer
2 Second non-Cumulonimbus significant layer
3 Third non-Cumulonimbus significant layer
4 Cumulonimbus layer
5 Ceiling
6 Cloud not detected below the following height(s)
7 Low cloud
8 Middle cloud
9 High cloud
10 Cloud layer with base below the station level and top above the station level
11 Cloud layer with base and top below the station level
63 Missing value
12-62 Reserved
C 008003
0 Surface
1 Base of satellite sounding
2 Cloud top
3 Tropopause
4 Precipitable water
5 Sounding radiances
6 Mean temperatures
7 Ozone
63 Missing value
8-62 Reserved
C 008004
0 Reserved
1 Reserved
2 Unsteady (UNS)
3 Level flight, routine observation (LVR)
4 Level flight, highest wind encountered (LVW)
5 Ascending (ASC)
6 Descending (DES)
7 Missing value
C 008005
0 Reserved
1 Storm centre
2 Outer limit or edge of storm
3 Location of maximum wind
15 Missing value
4-14 Reserved
F 008006
1 Surface
2 Standard level
3 Tropopause level
4 Prominent maximum level
5 Prominent minimum level
6 Minimum pressure level
7 Reserved
8 Level of undetermined significance
All 9: Missing value
C 008007
0 Point
1 Line
2 Area
3 Volume
15 Missing value
4-14 Reserved
Note:
F 008008
1 Surface
2 Standard level
3 Tropopause level
4 Level of beta radiation maximum
5 Level of gamma radiation maximum
6 Minimum pressure level
7 Reserved
8 Level of undetermined significance
All 9: Missing value
C 008009
0 Level flight, routine observation, unsteady
1 Level flight, highest wind encountered, unsteady
2 Unsteady (UNS)
3 Level flight, routine observation (LVR)
4 Level flight, highest wind encountered (LVW)
5 Ascending (ASC)
6 Descending (DES)
7 Ascending, observation intervals selected by time increments
8 Ascending, observation intervals selected by time increments, unsteady
9 Ascending, observation intervals selected by pressure increments
10 Ascending, observation intervals selected by pressure increments, unsteady
11 Descending, observation intervals selected by time increments
12 Descending, observation intervals selected by time increments, unsteady
13 Descending, observation intervals selected by pressure increments
14 Descending, observation intervals selected by pressure increments, unsteady
15 Missing value
C 008010
0 Reserved
1 Bare soil
2 Bare rock
3 Land grass cover
4 Water (lake, sea)
5 Flood water underneath
6 Snow
7 Ice
8 Runway or road
9 Ship or platform deck in steel
10 Ship or platform deck in wood
11 Ship or platform deck partly covered with rubber mat
31 Missing value
12-30 Reserved
C 008011
0 Quasi-stationary front at the surface
1 Quasi-stationary front above the surface
2 Warm front at the surface
3 Warm front above the surface
4 Cold front at the surface
5 Cold front above the surface
6 Occlusion
7 Instability line
8 Intertropical front
9 Convergence line
10 Jet stream
11 Cloud clear
12 Cloud
13 Turbulence
14 Storm
15 Airframe icing
16 Phenomenon
17 Volcano
18 Atmospherics
19 Reserved
20 Special clouds
21 Thunderstorm (VAL)
22 Tropical cyclone (VAL)
23 Mountain Wawe (VAL)
24 Duststorm (VAL)
25 Sandstorm (VAL)
63 Missing value
26-62 Reserved
VAL = code figure in validation process
C 008012
0 Land
1 Sea
2 Coast
3 Missing value
C 008013
0 Night
1 Day
2 Reserved
3 Missing value
C 008014
0 10-minute mean value - normal value
1 10-minute mean value - above the upper limit for assessments of RVR (P)
2 10-minute mean value - below the lower limit for assessments of RVR (M)
3 one-minute minumum value - normal value
4 one-minute minumum value - above the upper limit for assessments of RVR (P)
5 one-minute minumum value - below the lower limit for assessments of RVR (M)
6 one-minute maximum value - normal value
7 one-minute maximum value - above the upper limit for assessments of RVR (P)
8 one-minute maximum value - below the lower limit for assessments of RVR (M)
15 Missing value
9-14 Reserved
C 008016
0 NOSIG
1 BECMG
2 TEMPO
3 FM
7 Missing value
4-6 Reserved
C 008017
0 FM
1 TL
2 AT
3 Missing value
F 008018
1 Land is present
2 Surface ice map indicates ice is present
11 Ice map data not available
12 Attenuation map data not available
3-10, 13-16 Reserved
All 17: Missing value
C 008021
0 Reserved
1 Time series
2 Time averaged
3 Accumulated
4 Forecast
5 Forecast time series
6 Forecast time averaged
7 Forecast accumulated
8 Ensemble mean
9 Ensemble mean time series
10 Ensemble mean time averaged
11 Ensemble mean accumulated
12 Ensemble mean forecast
13 Ensemble mean forecast time series
14 Ensemble mean forecast time averaged
15 Ensemble mean forecast accumulated
16 Analysis
17 Start of phenomenon
18 Radiosonde launch time
19 Start of orbit
20 End of orbit
21 Time of ascending node
22 Time of occurrence of wind shift
23 Monitoring period
24 Agreed time limit for report reception
25 Nominal reporting time
26 Time of last known position
27 First guess
28 Start of scan
29 End of scan
30 Reserved
31 Missing value
Notes:
C 008023
0 Reserved
1 Reserved
2 Maximum value
3 Minimum value
4 Mean value
5 Median value
6 Modal value
7 Mean absolute error
8 Reserved
9 Best estimate of standard deviation (N-1)
10 Standard deviation (N)
11 Harmonic mean
12 Root-mean-square vector error
13 Root-mean-square
32 Vector mean
63 Missing value
14-31 Reserved
33-62 Reserved for local use
Note: All first order statistics are in the units defined by the original data descriptors.
C 008024
0 Reserved
1 Reserved
2 Observed minus maximum
3 Observed minus minimum
4 Observed minus mean
5 Observed minus median
6 Observed minus mode
11 Observed minus climatology (anomaly)
12 Observed minus analysed value
13 Observed minus initialized analysed value
14 Observed minus forecast value
21 Observed minus interpolated value
22 Observed minus hydrostatically calculated value
63 Missing value
7-10, 15-20, 23-31 Reserved
32-62 Reserved for local use
Notes:
C 008025
0 Universal Time Coordinated (UTC) minus Local Standard Time (LST)
1 Local Standard Time
2 Universal Time Coordinated (UTC) minus Satellite clock
5 Time difference from edge of processing segment
15 Missing
3-4, 6-14 Reserved
C 008029
0 Open ocean or semi-enclosed sea
1 Enclosed sea or lake
2 Continental ice
3 Land
255 Missing value
4-254 Reserved
C 008033
0 Reserved
1 Percentage confidence calculated using cloud fraction
2 Percentage confidence calculated using standard deviation of temperature
3 Percentage confidence calculated using probability of cloud contamination
4 Percentage confidence calculated using normality of distribution
127 Missing value
5-126 Reserved
C 008035
0 Global
1 Regional
2 National
3 Special
4 Bilateral
5 Reserved
6 Reserved
7 Missing value
C 008036
0 WMO Secretariat
1 WMO
2 RSMC
3 NMC
4 RTH
5 Observing site
6 Other
7 Missing value
C 008040
0 High resolution data sample
1 Within 20 hPa of surface
2 Pressure less than 10 hPa (i.e., 9, 8, 7, etc.) when no other reason applies
3 Base pressure level for stability index
4 Begin doubtful temperature, height data
5 Begin missing data (all elements)
6 Begin missing RH data
7 Begin missing temperature data
8 Highest level reached before balloon descent because of icing or turbulence
9 End doubtful temperature, height data
10 End missing data (all elements)
11 End missing RH data
12 End missing temperature data
13 Zero degrees C crossing(s) for RADAT
14 Standard pressure level
15 Operator added level
16 Operator deleted level
17 Balloon re-ascended beyond previous highest ascent level
18 Significant RH level
19 RH level selection terminated
20 Surface level
21 Significant temperature level
22 Mandatory temperature level
23 Flight termination level
24 Tropopause(s)
25 Aircraft report
26 Interpolated (generated) level
27 Mandatory wind level
28 Significant wind level
29 Maximum wind level
30 Incremental wind level (fixed regional)
31 Incremental height level (generated)
32 Wind termination level
33 Pressure 100 to 110 hPa, when no other reason applies
40 Significant thermodynamic level (inversion)
41 Significant RH level (per NCDC criteria)
42 Significant temperature level (per NCDC)
43 Begin missing wind data
44 End missing wind data
60 Level of 80-knot isotach above jet
61 Level of 80-knot isotach below jet
62 Other
63 Missing value
34-39, 45-59 Reserved
C 008041
0 Parent site
1 Observation site
2 Balloon manufacture date
3 Balloon launch point
4 Surface observation
5 Surface observation displacement from launch point
6 Flight level observation
7 Flight level termination point
31 Missing value
8-30 Reserved
C 008050
0 Reserved
1 Pressure
2 Temperature
3 Extreme temperature
4 Vapour pressure
5 Precipitation
6 Sunshine duration
7 Maximum temperature
8 Minimum temperature
9 Wind
15 Missing value
10-14 Reserved
C 008051
1 Pressure
2 Temperature
3 Extreme temperature
4 Vapour pressure
5 Precipitation
6 Sunshine duration
7 Missing value
C 008052
0 Mean wind speed over a 10-minute period observed or recorded equal to or more than 10 m/s or 20 knots
1 Mean wind speed over a 10-minute period observed or recorded equal to or more than 20 m/s or 40 knots
2 Mean wind speed over a 10-minute period observed or recorded equal to or more than 30 m/s or 60 knots
3 Maximum temperature less than 273.2 K (0 C)
4 Maximum temperature equal to or more than 298.2 K (25 C)
5 Maximum temperature equal to or more than 303.2 K (30 C)
6 Maximum temperature equal to or more than 308.2 K (35 C)
7 Maximum temperature equal to or more than 313.2 K (40 C)
8 Minimum temperature less than 273.2 K (0 C)
9 Maximum temperature equal to or more than 273.2 K (0 C)
10 Precipitation equal to or more than 1.0 kg m-2
11 Precipitation equal to or more than 5.0 kg m-2
12 Precipitation equal to or more than 10.0 kg m-2
13 Precipitation equal to or more than 50.0 kg m-2
14 Precipitation equal to or more than 100.0 kg m-2
15 Precipitation equal to or more than 150.0 kg m-2
16 Snow depth more than 0.00 m
17 Snow depth more than 0.01 m
18 Snow depth more than 0.10 m
19 Snow depth more than 0.50 m
20 Horizontal visibility less than 50 m
21 Horizontal visibility less than 100 m
22 Horizontal visibility less than 1000 m
23 Hail
24 Thunderstorm
31 Missing value
25-30 Reserved
C 008053
0 Value occurred on only one day in the month
1 Value occurred on more than one day in the month
2 Reserved
3 Missing value
C 008060
0 Reserved
1 Range
2 Azimuth
3 Horizontal
4 Vertical
5 North/South
6 East/West
15 Missing value
7-14 Reserved
C 008070
0 Reserved
1 Reserved
2 Earth located instrument counts, calibration coefficients and housekeeping (level 1b)
3 Earth located calibrated radiances (level 1c)
4 Mapped to a common footprint, Earth located calibrated radiances (level 1d)
15 Missing value
5-14 Reserved
C 008072
0 Mixed
1 Clear
2 Cloudy
7 Missing value
3-6 Reserved
C 008074
0 Open ocean or semi-enclosed sea
1 Non-ocean like
2 Reserved
3 Missing value
C 008075
0 Ascending orbit
1 Descending orbit
2 Reserved
3 Missing value
C 008076
0 Ku
1 C
63 Missing value
2-62 Reserved
C 008080
0 Total water pressure profile
1 Total water temperature profile
2 Total water salinity profile
3 Total water conductivity profile
63 Missing value
4-62 Reserved
C 010063
0 Increasing, then decreasing; atmospheric pressure the same or higher than 3 hours ago
1 Increasing, then steady; or increasing, then more slowly - atmospheric pressure now higher than 3 hours ago
2 Increasing (steadily or unsteadily) - atmospheric pressure now higher than 3 hours ago
3 Decreasing or steady, then increasing; or increasing, then increasing more rapidly - atmospheric pressure now higher than 3 hours ago
4 Steady; atmospheric pressure the same as 3 hours ago
5 Decreasing, then increasing; atmospheric pressure the same or lower than 3 hours ago
6 Decreasing, then steady; or decreasing, then decreasing more slowly - atmospheric pressure now lower than 3 hours ago
7 Decreasing (steadily or unsteadely) - atmospheric pressure now lower than 3 hours ago
8 Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly - atmospheric pressure now lower than 3 hours ago
15 Missing
9-14 Reserved
Notes:
C 011031
0 Nil, in cloud
1 Light, in cloud
2 Moderate, in cloud
3 Severe, in cloud
4 Nil, in clear air
5 Light, in clear air
6 Moderate, in clear air
7 Severe, in clear air
8 Nil, cloud/clear air not specified
9 Light, cloud/clear air not specified
10 Moderate, cloud/clear air not specified
11 Severe, cloud/clear air not specified
12 Extreme, in clear air
13 Extreme, in cloud
14 Extreme, cloud/clear air not specified
15 Missing value
C 011037
0 ave < 0.1 peak < 0.1
1 ave < 0.1 0.1 <= peak < 0.2
2 0.1 <= ave < 0.2 0.1 <= peak < 0.2
3 ave < 0.1 0.2 <= peak < 0.3
4 0.1 <= ave < 0.2 0.2 <= peak < 0.3
5 0.2 <= ave < 0.3 0.2 <= peak < 0.3
6 ave < 0.1 0.3 <= peak < 0.4
7 0.1 <= ave < 0.2 0.3 <= peak < 0.4
8 0.2 <= ave < 0.3 0.3 <= peak < 0.4
9 0.3 <= ave < 0.4 0.3 <= peak < 0.4
10 ave < 0.1 0.4 <= peak < 0.5
11 0.1 <= ave < 0.2 0.4 <= peak < 0.5
12 0.2 <= ave < 0.3 0.4 <= peak < 0.5
13 0.3 <= ave < 0.4 0.4 <= peak < 0.5
14 0.4 <= ave < 0.5 0.4 <= peak < 0.5
15 ave < 0.1 0.5 <= peak < 0.8
16 0.1 <= ave < 0.2 0.5 <= peak < 0.8
17 0.2 <= ave < 0.3 0.5 <= peak < 0.8
18 0.3 <= ave < 0.4 0.5 <= peak < 0.8
19 0.4 <= ave < 0.5 0.5 <= peak < 0.8
20 0.5 <= ave < 0.8 0.5 <= peak < 0.8
21 ave < 0.1 0.8 <= peak
22 0.1 <= ave < 0.2 0.8 <= peak
23 0.2 <= ave < 0.3 0.8 <= peak
24 0.3 <= ave < 0.4 0.8 <= peak
25 0.4 <= ave < 0.5 0.8 <= peak
26 0.5 <= ave < 0.8 0.8 <= peak
27 0.8 <= ave 0.8 <= peak
28 Nil Nil
63 Missing value
29-62 Reserved
Minutes prior to observation time (min)
C 011038
0 min < 1
1 1 <= min < 2
2 2 <= min < 3
3 3 <= min < 4
4 4 <= min < 5
5 5 <= min < 6
6 6 <= min < 7
7 7 <= min < 8
8 8 <= min < 9
9 9 <= min < 10
10 10 <= min < 11
11 11 <= min < 12
12 12 <= min < 13
13 13 <= min < 14
14 14 <= min < 15
15 No timing information available
31 Missing value
16-30 Reserved
C 011039
0 min < 1
1 1 <= min < 2
2 2 <= min < 3
3 3 <= min < 4
4 4 <= min < 5
5 5 <= min < 6
6 6 <= min < 7
7 7 <= min < 8
8 8 <= min < 9
9 9 <= min < 10
10 10 <= min < 11
11 11 <= min < 12
12 12 <= min < 13
13 13 <= min < 14
14 14 <= min < 15
60 No timing information available
63 Missing value
15-59 As above to 59 <= min < 60
61-62 Reserved
C 013038
0 Not superadiabatic
1 Superadiabatic
2 Reserved
3 Missing value
C 013039
0 Sea ice
1 Snow on land
7 Missing value
2-6 Reserved
C 013040
0 Land
1 Reserved
2 Near coast
3 Ice
4 Possible ice
5 Ocean
6 Coast
15 Missing value
7-14 Reserved
C 013041
1 A
2 A-B
3 B
4 B-C
5 C
6 D
7 E
8 F
9 G
15 Missing value
10-14 Reserved
C 013051
0 Smaller than any value in the 30-year period
1 In the first quintile
2 In the second quintile
3 In the third quintile
4 In the fourth quintile
5 In the fifth quintile
6 Greater than any value in the 30-year period
15 Missing value
7-14 Reserved
C 019001
0 Depression or low (extratropical)
1 Tropical depression
2 Tropical storm
3 Severe tropical storm
4 Typhoon
10 Dust/sandstorm
63 Missing value
5-9, 11-62 Reserved
Note: New local names for storms of various strenghts shall be added as necessary.
C 019008
0 Reserved
1 Shallow (top of circulation below 700-hPa level)
2 Medium (top between 700-hPa and 400-hPa level)
3 Deep (top above 400-hPa level)
7 Missing value
4-6 Reserved
C 019010
1 Minimum value of sea level pressure
2 Maximum value of 850 hPa relative vorticity
15 Missing value
3-14 Reserved
For more details, please check the original WMO table.
* The expression "at the station" refers to a land station or a ship.
C 020003
0 Cloud development not observed or not observable
1 Clouds generally dissolving or becoming less developed
2 State of sky on the whole unchanged
3 Clouds generally forming or developing
4 Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
5 Haze
6 Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
7 Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of sea stations and coastal stations, blowing spray at the station
8 Well-developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding hour or at the same time of observation, but no duststorm or sandstorm
9 Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10 Mist
11 Paches of shallow fog or ice at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea
12 More or less continuous shallow fog or ice at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea
13 Lightning visible, no thunder heard
14 Precipitation within sight, not reaching the ground or the surface of the sea
15 Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station
16 Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17 Thunderstorm, but no precipitation at the time of observation
18 Squalls at or within sight of the station during the preceding hour or at the time of observation
19 Funnel cloud(s)* at or within sight of the station during the preceding hour or at the time of observation
20 Drizzle (not freezing) or snow grains, not falling as shower(s) - during the preceding hour but not at the time of observation
21 Rain (not freezing), not falling as shower(s) - during the preeceding hour but not at the time of observation
22 Snow, not falling as shower(s) - during the preceding hour but not at the time of observation
23 Rain and snow or ice pellets, not falling as shower(s) - during the preceding hour but not at the time of observation
24 Freezing drizzle or freezing rain, not falling as shower(s) - during the preceding hour but not at the time of observation
25 Shower(s) of rain - during the preceding hour but not at the time of observation
26 Shower(s) of snow, or of rain and snow - during the preceding hour but not at the time of observation
27 Shower(s) of hail**, or of rain and hail** - during the preceding hour but not at the time of observation
28 Fog or ice fog - during the preceding hour but not at the time of observation
29 Thunderstorm (with or without precipitation) - during the preceding hour but not at the time of observation
30 Slight or moderate duststorm or sandstorm - has decreased during the preceding hour
31 Slight or moderate duststorm or sandstorm - no appreciable change during the preceding hour
32 Slight or moderate duststorm or sandstorm - has begun or has inceased during the preceding hour
33 Severe duststorm or sandstorm - has decreased during the preceding hour
34 Severe duststorm or sandstorm - no appreciable change during the preceding hour
35 Severe duststorm or sandstorm - has begun or has increased during the preceding hour
36 Slight or moderate drifting snow, generally low (below eye level)
37 Heavy drifting snow, generally low (below eye level)
38 Slight or moderate blowing snow, generally high (above eye level)
39 Heavy blowing snow, generally high (above eye level)
40 Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41 Fog or ice fog in patches
42 Fog or ice fog, sky visible, has become thinner during the preceding hour
43 Fog or ice fog, sky invisible, has become thinner during the preceding hour
44 Fog or ice fog, sky visible, no appreciable change during the preceding hour
45 Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46 Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47 Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48 Fog, depositing rime, sky visible
49 Fog, depositing rime, sky invisible
50 Drizzle, not freezing, intermittent, slight at time of observation
51 Drizzle, not freezing, continuous, slight at time of observation
52 Drizzle, not freezing, intermittent, moderate at time of observation
53 Drizzle, not freezing, continuous, moderate at time of observation
54 Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55 Drizzle, not freezing, continuous, heavy (dense) at time of observation
56 Drizzle, freezing, slight
57 Drizzle, freezing, moderate or heavy (dense)
58 Drizzle and rain, slight
59 Drizzle and rain, moderate or heavy
60 Rain, not freezing, intermittent, slight at time of observation
61 Rain, not freezing, continuous, slight at time of observation
62 Rain, not freezing, intermittent, moderate at time of observation
63 Rain, not freezing, continuous. moderate at time of observation
64 Rain, not freezing, intermittent, heavy at time of observation
65 Rain, not freezing, continuous, heavy at time of observation
66 Rain, freezing, slight
67 Rain, freezing, moderate or heavy
68 Rain or drizzle and snow, slight
69 Rain or drizzle and snow, moderate or heavy
70 Intermittent fall of snowflakes, slight at time of observation
71 Continuous fall of snowflakes, slight at time of observation
72 Intermittent fall of snowflakes, moderate at time of observation
73 Continuous fall of snowflakes, moderate at time of observation
74 Intermittent fall of snowflakes, heavy at time of observation
75 Continuous fall of snowflakes, heavy at time of observation
76 Diamond dust (with or without fog)
77 Snow grains (with or without fog)
78 Isolated star-like snow crystals (with or without fog)
79 Ice pellets
80 Rain shower(s), slight
81 Rain shower(s), moderate or heavy
82 Rain shower(s), violent
83 Shower(s) of rain and snow mixed, slight
84 Shower(s) of rain and snow mixed, moderate or heavy
85 Snow shower(s), slight
86 Snow shower(s), moderate or heavy
87 Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - slight
88 Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - moderate or heavy
89 Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - slight
90 Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - moderate or heavy
91 Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92 Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93 Slight snow, or rain and snow mixed or hail** at time of observation, thunderstorm during the preceding hour but not at time of observation
94 Moderate or heavy snow, or rain and snow mixed or hail** at time of observation, thunderstorm during preceding hour but not at time of observation
95 Thunderstorm, slight or moderate, without hail**, but with rain and/or snow at time of observation - thunderstorm at time of observation
96 Thunderstorm, slight or moderate, with hail** at time of observation - thunderstorm at time of observation
97 Thunderstorm, heavy, without hail**, but with rain and/or snow at time of observation - thunderstorm at time of observation
98 Thunderstorm combined with duststorm or sandstorm at time of observation - thunderstorm at time of observation
99 Thunderstorm, heavy, with hail** at time of observation - thunderstorm at time of observation
100 No significant weather observed
101 Clouds generally dissolving or becoming less developed during the past hour
102 State of sky on the whole unchanged during the past hour
103 Clouds generally forming or developing during the past hour
104 Haze or smoke, or dust in suspension in the air, visibility equal to, or greater than, 1 km
105 Haze or smoke, or dust in suspension in the air, visibility less than 1 km
110 Mist
111 Diamond dust
112 Distant lightning
118 Squalls
120 Fog
121 PRECIPITATION
122 Drizzle (not freezing) or snow grains
123 Rain (not freezing)
124 Snow
125 Freezing drizzle or freezing rain
126 Thunderstorm (with or without precipitation)
127 BLOWING OR DRIFTING SNOW OR SAND
128 Blowing or drifting snow or sand, visibility equal to, or greater than, 1 km
129 Blowing or drifting snow or sand, visibility less than 1 km
130 FOG
131 Fog or ice fog, in patches
132 Fog or ice fog, has become thinner during past hour
133 Fog or ice fog, no appreciable change during past hour
134 Fog or ice fog, has begun or become thicker during past hour
135 Fog, depositing rime
140 PRECIPITATION
141 Precipitation, slight or moderate
142 Precipitation, heavy
143 Liquid precipitation, slight or moderate
144 Liquid precipitation, heavy
145 Solid precipitation, slight or moderate
146 Solid precipitation, heavy
147 Freezing precipitation, slight or moderate
148 Freezing precipitation, heavy
150 DRIZZLE
151 Drizzle, not freezing, slight
152 Drizzle, not freezing, moderate
153 Drizzle, not freezing, heavy
154 Drizzle, freezing, slight
155 Drizzle, freezing, moderate
156 Drizzle, freezing, heavy
157 Drizzle and rain, slight
158 Drizzle and rain, moderate or heavy
160 RAIN
161 Rain, not freezing, slight
162 Rain, not freezing, moderate
163 Rain, not freezing, heavy
164 Rain, freezing, slight
165 Rain, freezing, moderate
166 Rain, freezing, heavy
167 Rain (or drizzle) and snow, slight
168 Rain (or drizzle) and snow, moderate or heavy
170 SNOW
171 Snow, slight
172 Snow, moderate
173 Snow, heavy
174 Ice pellets, slight
175 Ice pellets, moderate
176 Ice pellets, heavy
180 SHOWER(S) or INTERMITTENT PRECIPITATION
181 Rain shower(s) or intermittent rain, slight
182 Rain shower(s) or intermittent rain, moderate
183 Rain shower(s) or intermittent rain, heavy
184 Rain shower(s) or intermittent rain, violent
185 Snow shower(s) or intermittent snow, slight
186 Snow shower(s) or intermittent snow, moderate
187 Snow shower(s) or intermittent snow, heavy
190 THUNDERSTORM
191 Thunderstorm, slight or moderate, with no precipitation
192 Thunderstorm, slight or moderate, with rain showers and/or snow showers
193 Thunderstorm, slight or moderate, with hail
194 Thunderstorm, heavy, with no precipitation
195 Thunderstorm, heavy, with rain showers and/or snow showers
196 Thunderstorm, heavy, with hail
199 Tornado
204 Volcanic ash suspended in the air aloft
206 Thick dust haze, visibility less than 1 km
207 Blowing spray at the station
208 Drifting dust (sand)
209 Wall of dust or sand in distance (like habob)
210 Snow haze
211 Whiteout
213 Lightning, cloud to surface
217 Dry thunderstorm
219 Tornado cloud (destructive) at or within sight of the station during preceding hour or at the time of observation
220 Deposition of volcanic ash
221 Deposition of dust or sand
222 Deposition of dew
223 Deposition of wet snow
224 Deposition of soft rime
225 Deposition of hard rime
226 Deposition of hoar frost
227 Deposition of glaze
228 Deposition of ice crust (ice slick)
230 Duststorm or sandstorm with temperature below 0C
239 Blowing snow, impossible to determine whether snow is falling or not
241 Fog on sea
242 Fog in valleys
243 Arctic or Antarctic sea smoke
244 Steam fog (sea, lake or river)
245 Steam fog (land)
246 Fog over ice or snow cover
247 Dense fog visibility 60-90 m
248 Dense fog visibility 30-60 m
249 Dense fog visibility less than 30 m
250 Drizzle, rate of fall less than 0.10 mm/h
251 Drizzle, rate of fall 0.10 - 0.19 mm/h
252 Drizzle, rate of fall 0.20 - 0.39 mm/h
253 Drizzle, rate of fall 0.40 - 0.79 mm/h
254 Drizzle, rate of fall 0.80 - 1.59 mm/h
255 Drizzle, rate of fall 1.60 - 3.19 mm/h
256 Drizzle, rate of fall 3.20 - 6.39 mm/h
257 Drizzle, rate of fall 6.4 mm/h or more
259 Drizzle and snow
260 Rain, rate of fall less than 1.0 mm/h
261 Rain, rate of fall 1.0 - 1.9 mm/h
262 Rain, rate of fall 2.0 - 3.9 mm/h
263 Rain, rate of fall 4.0 - 7.9 mm/h
264 Rain, rate of fall 8.0 - 15.9 mm/h
265 Rain, rate of fall 16.0 - 31.9 mm/h
266 Rain, rate of fall 32.0 - 63.9 mm/h
267 Rain, rate of fall 64.0 mm/h or more
270 Snow, rate of fall less than 1.0 cm/h
271 Snow, rate of fall 1.0 - 1.9 cm/h
272 Snow, rate of fall 2.0 - 3.9 cm/h
273 Snow, rate of fall 4.0 - 7.9 cm/h
274 Snow, rate of fall 8.0 - 15.9 cm/h
275 Snow, rate of fall 16.0 - 31.9 cm/h
276 Snow, rate of fall 32.0 - 63.9 cm/h
277 Snow, rate of fall 64.0 cm/h or more
278 Snow or ice cristal precipitation from a clear sky
279 Wet snow, freezing on contact
280 Precipitation of rain
281 Precipitation of rain, freezing
282 Precipitation of rain and snow mixed
283 Precipitation of snow
284 Precipitation of snow pellets or small hail
285 Precipitation of snow pellets or small hail, with rain
286 Precipitation of snow pellets or small hail, with rain and snow mixed
287 Precipitation of snow pellets or small hail, with snow
288 Precipitation of hail
289 Precipitation of hail, with rain
290 Precipitation of hail, with rain and snow mixed
291 Precipitation of hail, with snow
292 Shower(s) or thunderstorm over sea
293 Shower(s) or thunderstorm over mountains
508 No significant phenomenon to report, present and past weather omitted
509 Not observation, data not available, present and past weather omitted
510 Present and past weather missing, but expected
511 Missing value
106-109, 113-117, 119, 136-139, 149, 159, 169, 177-179, 188-189, 197-198, 300-507 Reserved
200-203, 205, 212, 214-216, 218, 229, 231-238, 240, 258, 268-269, 294-299 Not used
* Tornado cloud or water-spout.
** Hail, small hail, snow pellets.
Notes:
C 020004
0 Cloud covering 1/2 or less of the sky throughout the appropriate period
1 Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period
2 Cloud covering more than 1/2 of the sky throughout the appropriate period
3 Sandstorm, duststorm or blowing snow
4 Fog or ice or thick haze
5 Drizzle
6 Rain
7 Snow, or rain and snow mixed
8 Shower(s)
9 Thunderstorm(s) with or without precipitation
10 No significant weather observed
11 VISIBILITY REDUCED
12 Blowing phenomena, visibility reduced
13 FOG
14 PRECIPITATION
15 Drizzle
16 Rain
17 Snow or ice pellets
18 Showers or intermittent precipitation
19 Thunderstorm
31 Missing value
20-30 Reserved
Notes:
C 020005
0 Cloud covering 1/2 or less of the sky throughout the appropriate period
1 Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period
2 Cloud covering more than 1/2 of the sky throughout the appropriate period
3 Sandstorm, duststorm or blowing snow
4 Fog or ice or thick haze
5 Drizzle
6 Rain
7 Snow, or rain and snow mixed
8 Shower(s)
9 Thunderstorm(s) with or without precipitation
10 No significant weather observed
11 VISIBILITY REDUCED
12 Blowing phenomena, visibility reduced
13 FOG
14 PRECIPITATION
15 Drizzle
16 Rain
17 Snow or ice pellets
18 Showers or intermittent precipitation
19 Thunderstorm
31 Missing value
20-30 Reserved
Notes:
C 020008
0 Sky clear
1 Few
2 Scattered
3 Broken
4 Overcast
5 Reserved
6 Scattered/broken (Many forecasts use scattered/broken followed by cloud type(s))
7 Broken/overcast (Many forecasts use broken/overcast followed by cloud type(s))
8 Isolated (Used on aviation charts to describe the cloud type Cb)
9 Isolated embedded (Used on aviation charts to describe the cloud type Cb)
10 Occasional (Used on aviation charts to describe the cloud type Cb)
11 Occasional embedded (Used on aviation charts to describe the cloud type Cb)
12 Frequent (Used on aviation charts to describe the cloud type Cb)
13 Dense (Used on aviation charts to describe cloud that would cause sudden changes in visibility (less than 1000 m))
14 Layers
15 Obscured (OBSC) (VAL)
16 Embedded (EMBD) (VAL)
17 Frequent embedded (VAL)
31 Missing
18-30 Reserved
VAL = code figure in validation process
C 020009
0 Reserved
1 NSC Nil Significant Cloud
2 CAVOK
3 SKC Sky Clear
4 NSW Nil Significant Weather
15 Missing
5-14 Reserved
C 020011
0 0 oktas (0/10)
1 1 okta or less, but not zero (1/10 or less, but not zero)
2 2 oktas (2/10 - 3/10)
3 3 oktas (4/10)
4 4 oktas (5/10)
5 5 oktas (6/10)
6 6 oktas (7/10 - 8/10)
7 7 oktas or more, but not 8 oktas (9/10 or more, but not 10/10)
8 8 oktas (10/10)
9 Sky obscured by fog and/or other meteorological phenomena
10 Sky partially obscured by fog and/or other meteorological phenomena
11 Scattered
12 Broken
13 Few
14 Reserved
15 Cloud cover is indiscernible for reasons other than fog or other meteorological phenomena, or observation is not made
Notes:
C 020012
0 Cirrus (Ci)
1 Cirrocumulus (Cc)
2 Cirrostratus (Cs)
3 Altocumulus (Ac)
4 Altostratus (As)
5 Nimbostratus (Ns)
6 Stratocumulus (Sc)
7 Stratus (St)
8 Cumulus (Cu)
9 Cumulonimbus (Cb)
10 No CH clouds
11 Cirrus fibratus, sometimes uncinus, not progressively invading the sky
12 Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus
13 Cirrus spissatus cumulonimbogenitus
14 Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole
15 Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon
16 Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered
17 Cirrostratus covering the whole sky
18 Cirrostratus not progressively invading the sky and not entirely covering it
19 Cirrocumulus alone, or Cirrocumulus predominant among the CH clouds
20 No CM clouds
21 Altostratus translucidus
22 Altostratus opacus or Nimbostratus
23 Altocumulus translucidus at a single level
24 Patches (often lenticular) of Altocumulus translucidus, continually changing and occuring at one or more levels
25 Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole
26 Altocumulus cumulogenitus (or cumulonimbogenitus)
27 Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus
28 Altocumulus castellanus or floccus
29 Altocumulus of chaotic sky, generally at several levels
30 No CL clouds
31 Cumulus humilis or Cumulus fractus other than of bad weather*, or both
32 Cumulus mediocris or congestus, Towering Cumulus (TCU), with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level
33 Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus
34 Stratocumulus cumulogenitus
35 Stratocumulus other than Stratocumulus cumulogenitus
36 Stratus nebulosus or Stratus fractus other than of bad weather*, or both
37 Stratus fractus or Cumulus fractus of bad weather*, or both (pannus), usually below Altostratus or Nimbostratus
38 Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels
39 Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus
40 CH
41 CM
42 CL
59 Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena
60 CH clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena, or because of a continuous layer of lower clouds
61 CM clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena, or because of a continuous layer of lower clouds
62 CL clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena
63 Missing value
43-58 Reserved
* "Bad weather" denotes the conditions which generally exist during precipitation and a short time before and after.
C 020017
0 Isolated cloud fragments of cloud
1 Continuous cloud, flat tops
2 Broken cloud - small breaks, flat tops
3 Broken cloud - large breaks, flat tops
4 Continuous cloud - undulating tops
5 Broken cloud - small breaks, undulated tops
6 Broken cloud - large breaks, undulated tops
7 Continuous or almost continuous waves with towering clouds above the top of the layer
8 Groups of waves with towering clouds above the top of the layer
9 Two or more layers at different levels
15 Missing value
10-14 Reserved
C 020018
0 Increasing (U)
1 Decreasing (D)
2 No distinct change (N)
3 Missing value
F 020021
1 Precipitation-unknown type
2 Liquid precipitation not freezing
3 Liquid freezing precipitation
4 Drizzle
5 Rain
6 Solid precipitation
7 Snow
8 Snow grains
9 Snow pellets
10 Ice pellets
11 Ice crystals
12 Diamond dust
13 Small hail
14 Hail
15 Glaze
16 Rime
17 Soft rime
18 Hard rime
19 Clear ice
20 Wet snow
21 Hoar frost
22 Dew
23 White dew
24-29 Reserved
All 30: Missing value
Note: Mixed precipitation is indicated by setting to one the bits of all the observed single types of precipitation.
C 020022
0 No precipitation
1 Continuous
2 Intermittent
3 Shower
4 Not reaching ground
5 Deposition
15 Missing value
6-14 Reserved
F 020023
1 Dust/sand whirl
2 Squalls
3 Sandstorm
4 Duststorm
5 Lightning - cloud to surface
6 Lightning - cloud to cloud
7 Lightning - distant
8 Thunderstorm
9 Funnel Cloud not touching surface
10 Funnel cloud touching surface
11 Spray
12-17 Reserved
All 18: Missing value
C 020024
0 No phenomena
1 Light
2 Moderate
3 Heavy
4 Violent
5 Severe (VAL)
6 Reserved
7 Missing value
VAL = code figure in validation process
F 020025
1 Fog
2 Ice fog
3 Steam fog
7 Mist
8 Haze
9 Smoke
10 Volcanic ash
11 Dust
12 Sand
13 Snow
4-6 Reserved
14-20 Reserved
All 21: Missing value
C 020026
0 No change
1 Shallow
2 Patches
3 Partial
4 Freezing
5 Low drifting
6 Blowing
7 Increasing
8 Decreasing
9 In suspension in the air
10 Wall
11 Dense
12 Whiteout
13 Reserved
14 Reserved
15 Missing value
F 020027
1 At time of observation
2 In past hour
3 In time period for past weather W1W2
4 In time period specified
5 Reserved
6 Reserved
7 At the station
8 In the vicinity
All 9: Missing value
Note: Phenomenon in this flag table means any phenomenon, including precipitation and obscuration.
C 020029
0 No rain
1 Rain
2 Reserved
3 Missing value
C 020032
0 Ice not building up
1 Ice building up slowly
2 Ice building up rapidly
3 Ice melting or breaking up slowly
4 Ice melting or breaking up rapidly
5 Reserved
6 Reserved
7 Missing value
F 020033
1 Icing from ocean spray
2 Icing from fog
3 Icing from rain
All 4: Missing value
C 020034
0 No sea ice in sight
1 Ship in open lead more than 1.0 nautical mile wide, or ship in fast ice with boundary beyond limit of visibility
2 Sea ice present in concentration less than 3/10 (3/8), open water or very open pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
3 4/10 to 6/10 (3/8 to less than 6/8), open pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
4 7/10 to 8/10 (6/8 to less than 7/8), close pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
5 9/10 or more, but not 10/10 (7/8 to less than 8/8), very close pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
6 Strips and patches of pack ice with open water between, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
7 Strips and patches of close or very close pack ice with areas of lesser concentration between, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
8 Fast ice with open water, very open or open pack ice to seaward of the ice boundary, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
9 Fast ice with close or very close pack ice to seaward of the ice boundary, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
14 Unable to report, because of darkness, lack of visibility, or because ship is more than 0.5 nautical mile away from ice edge
31 Missing value
10-13, 15-30 Reserved
C 020035
0 No ice of land origin
1 1-5 icebergs, no growlers or bergy bits
2 6-10 icebergs, no growlers or bergy bits
3 11-20 icebergs, no growlers or bergy bits
4 Up to and including 10 growlers and bergy bits - no icebergs
5 More than 10 growlers and bergy bits - no icebergs
6 1-5 icebergs, with growlers and bergy bits
7 6-10 icebergs, with growlers and bergy bits
8 11-20 icebergs, with growlers and bergy bits
9 More than 20 icebergs, with growlers and bergy bits - a major hazard to navigation
14 Unable to report, because of darkness, lack of visibility or because only sea ice is visible
15 Missing value
10-13 Reserved
C 020036
0 Ship in open water with floating ice in sight
1 Ship in easily penetrable ice; conditions improving
2 Ship in easily penetrable ice; conditions not changing
3 Ship in easily penetrable ice; conditions worsening
4 Ship in ice difficult to penetrate; conditions improving
5 Ship in ice difficult to penetrate; conditions not changing
6 Ship in ice difficult to penetrate and conditions worsening. Ice forming and floes freezing together
7 Ship in ice difficult to penetrate and conditions worsening. Ice under slight pressure
8 Ship in ice difficult to penetrate and conditions worsening. Ice under moderate or severe pressure
9 Ship in ice difficult to penetrate and conditions worsening. Ship beset
30 Unable to report, because of darkness or lack of visibility
31 Missing value
10-29 Reserved
C 020037
0 New ice only (frazil ice, grease ice, slush, shuga)
1 Nilas or ice rind, less than 10 cm thick
2 Young ice (grey ice, grey-white ice), 10-30 cm thick
3 Predominantly new and/or young ice with some first-year ice
4 Predominantly thin first-year ice with some new and/or young ice
5 All thin first-year ice (30-70 cm thick)
6 Predominantly medium first-year ice (70-120 cm thick) and thick first-year ice (>120 cm thick) with some thinner (younger) first-year ice
7 All medium and thick first-year ice
8 Predominantly medium and thick first-year ice with some old ice (usually more than 2 metres thick)
9 Predominantly old ice
30 Unable to report, because of darkness, lack of visibility or because only ice of land origin is visible or because ship is more than 0.5 nautical mile away from ice edge
31 Missing value
10-29 Reserved
C 020041
0 No icing
1 Light icing
2 Light icing in cloud
3 Light icing in precipitation
4 Moderate icing
5 Moderate icing in cloud
6 Moderate icing in precipitation
7 Severe icing
8 Severe icing in cloud
9 Severe icing in precipitation
10 Trace of icing
11 Trace of icing in cloud
12 Trace of icing in precipitation
13 Reserved
14 Reserved
15 Missing value
C 020042
0 No icing
1 Icing present
2 Reserved
3 Missing value
C 020045
0 No SLD conditions present
1 SLD conditions present
2 Reserved
3 Missing value
C 020062
0 Surface of ground dry (without cracks and no appreciable amount of dust or loose sand)
1 Surface of ground moist
2 Surface of ground wet (standing water in small or large pools on surface)
3 Flooded
4 Surface of ground frozen
5 Glaze on ground
6 Loose dry dust or sand not covering ground completely
7 Thin cover of loose dry dust or sand covering ground completely
8 Moderate or thick cover of loose dry dust or sand covering ground completely
9 Extremely dry with cracks
10 Ground predominantly covered by ice
11 Compact or wet snow (with or without ice) covering less than one-half of the ground
12 Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered
13 Even layer of compact or wet snow covering ground completely
14 Uneven layer of compact or wet snow covering ground completely
15 Loose dry snow covering less than one-half of the ground
16 Loose dry snow covering at least one-half of the ground but ground not completely covered
17 Even layer of loose dry snow covering ground completely
18 Uneven layer of loose dry snow covering ground completely
19 Snow covering ground completely; deep drifts
31 Missing value
20-30 Reserved
Notes:
(To be developed)
Accuracy of fix (estimated error) - Repetition rate
C 020071
0 No assessment No assessment
1 Less than 50 km Less than 1 per second
2 Between 50 and 200 km Less than 1 per second
3 More than 200 km Less than 1 per second
4 Less than 50 km 1 or more per second
5 Between 50 and 200 km 1 or more per second
6 More than 200 km 1 or more per second
7 Less than 50 km Rate so rapid number cannot be counted
8 Between 50 and 200 km Rate so rapid number cannot be counted
9 More than 200 km Rate so rapid number cannot be counted
15 Missing value
10-14 Reserved
C 020090
0 Reserved
1 Nacreous clouds
2 Noctilucent clouds
3 Clouds from waterfalls
4 Clouds from fires
5 Clouds from volcanic eruptions
15 Missing
6-14 Reserved
F 021066
1 Processing equipment not working
2 Equipment failed
3 PRF code changed during image generation
4 Sampling window changd during image generation
5 Gain changed during image generation
6 Chirp replica exceeds specified value
7 Input data mean and standard deviation of in-phase and quadrature out of range
8 Doppler centroid confidence > MMCC value
9 Doppler centroid absolute value > PRF/2
10 Doppler ambiguity confidence < MMCC value
11 Output data mean and standard deviation =< MMCC value
All 12: Missing value
Notes:
F 021067
1 No forebeam calculation
2 No midbeam calculation
3 No aftbeam calculation
4 Forebeam arcing detected
5 Midbeam arcing detected
6 Aftbeam arcing detected
7 Any beam noise content above or equal to threshold
8 Land (any land in cell footprint)
9 Autonomous ambiguity removal not used
10 Meteorological background not used
11 Minimum residual exceeded threshold
12 Frame checksum error detected
All 13: Missing value
F 021068
1 Standard deviation of wind speed outside MMCC limit
2 Standard deviation of significant wave height outside MMCC limit
3 Standard deviation of altitude outside MMCC limit
4 Mean peakiness outside MMCC limit
5 Frame checksum error detected
6 Height-time loop time constant correction not performed
7 Not enough measurements (N<10)
All 8: Missing value
Note: MMCC is Mission Management Control Centre.
F 021069
1 12.0 micrometer channel present in source data
2 11.0 micrometer channel present in source data
3 3.7 micrometer channel present in source data
4 1.6 micrometer channel present in source data
5 Cloud identification used 1.6 micrometer histogram reflectance cloud test
6 1.6 micrometer histogram reflectance cloud test used dynamic threshold
7 Sun glint detected by 1.6 micrometer reflectance cloud test
8 3.7 micrometer channel used in sea-surface temperature retrieval
9 Sea-surface temperature derivation used daytime data (night-time if zero)
All 10: Missing value
F 021070
1 Cell 1:nadir-only view SST used 3.7 micron channel
2 Cell 2:nadir-only view SST used 3.7 micron channel Cell numbering:
3 Cell 3:nadir-only view SST used 3.7 micron channel NW NE
4 Cell 4:nadir-only view SST used 3.7 micron channel 7 8 9
5 Cell 5:nadir-only view SST used 3.7 micron channel 4 5 6
6 Cell 6:nadir-only view SST used 3.7 micron channel 1 2 3
7 Cell 7:nadir-only view SST used 3.7 micron channel SW SE
8 Cell 8:nadir-only view SST used 3.7 micron channel
9 Cell 9:nadir-only view SST used 3.7 micron channel
10 Cell 1:dual view SST used 3.7 micron channel
11 Cell 2:dual view SST used 3.7 micron channel Cell numbering:
12 Cell 3:dual view SST used 3.7 micron channel NW NE
13 Cell 4:dual view SST used 3.7 micron channel 7 8 9
14 Cell 5:dual view SST used 3.7 micron channel 4 5 6
15 Cell 6:dual view SST used 3.7 micron channel 1 2 3
16 Cell 7:dual view SST used 3.7 micron channel SW SE
17 Cell 8:dual view SST used 3.7 micron channel
18 Cell 9:dual view SST used 3.7 micron channel
19 Nadir view contains day-time data (night if zero)
20 Forward view contains day-time data (night if zero)
21 Record contains contributions from instrument scans acquired when ERS platform not in yaw-steering mode
22 Record contains contributions from instrument scans for which product confidence data show quality is poor or unknown
All 23: Missing value
F 021072
1 Height error correction applied instead of open loop calibration
2 Microwave sounder used for troposphere correction
3 AGC output correction applied instead of open loop calibration
All 4: Missing value
F 021073
1 Blank data record
2 Test
3 Calibration (closed loop)
4 BITE
5 Acquisition on ice
6 Acquisition on ocean
7 Tracking on ice
8 Tracking on ocean
All 9: Missing value
C 021076
0 Linear
1 Logarithmic (base e)
2 Logarithmic (base 10)
7 Missing value
3-6 Reserved
F 021109
1 Not enough good sigma-0 available for wind retrieval
2 Poor azimuth diversity among sigma-0 for wind retrieveal
8 Some portion of wind vector cell is over land
9 Some portion of wind vector cell is over ice
10 Wind retrieval not performed for wind vector cell
11 Reported wind speed is greater than 30 m/s
12 Reported wind speed is less than or equal to 3 m/s
3-7, 13-16 Reserved
All 17: Missing value
F 021115
1 Sigma-0 measurement is not usable
2 Signal to noise ratio is low
3 Sigma-0 is negative
4 Sigma-0 is outside of acceptable range
5 Scatterometer pulse quality is not acceptable
6 Sigma-0 cell location algorithm does not converge
7 Frequency shift lies beyond the range of the x factor table
8 Spacecraft temperature is beyond calibration coefficient range
9 No applicable altitude records were found for this sigma-0
10 Interpolated ephemeris data are not acceptable for this sigma-0
11-16 Reserved
All 17: Missing value
F 021116
1 Calibration/measurement pulse flag (1)
2 Calibration/measurement pulse flag (2)
3 Outer antenna beam
4 Sigma-0 cell is aft of spacecraft
5 Current mode (1)
6 Current mode (2)
7 Effective gate width - slice resolution (1)
8 Effective gate width - slice resolution (2)
9 Effective gate width - slice resolution (3)
10 Low resolution mode - whole pulse data
11 Scatterometer electronic subsystem B
12 Alternate spin rate - 19.8 rpm
13 Receiver protection on
14 Slices per composite flag (1)
15 Slices per composite flag (2)
16 Slices per composite flag (3)
All 17: Missing value
C 021119
0 Reserved
1 SASS
2 SASS2
3 NSCAT0
4 NSCAT1
5 NSCAT2
6 QSCAT0
7 QSCAT1
31 CMOD1
32 CMOD2
33 CMOD3
34 CMOD4
35 CMOD5
63 Missing value
8-30, 36-62 Reserved
C 022056
0 Upwards profile
1 Downwards profile
2 Horizontal
3 Missing value
C 022061
0 Calm (glassy) 0
1 Calm (rippled) 0 - 0.1
2 Smooth (wavelets) 0.1 - 0.5
3 Slight 0.5 - 1.25
4 Moderate 1.25 - 2.5
5 Rough 2.5 - 4
6 Very rough 4 - 6
7 High 6 - 9
8 Very high 9 - 14
9 Phenomenal Over 14
15 Missing value
10-14 Reserved
Notes:
Instrument make - Equation coefficients a and b
C 022067
1 Sippican T-4 6.472 -2.16
2 Sippican T-4 6.691 -2.25
11 Sippican T-5 6.828 -1.82
21 Sippican Fast Deep 6.346 -1.82
31 Sippican T-6 6.472 -2.16
32 Sippican T-6 6.691 -2.25
41 Sippican T-7 6.472 -2.16
42 Sippican T-7 6.691 -2.25
51 Sippican Deep Blue 6.472 -2.16
52 Sippican Deep Blue 6.691 -2.25
61 Sippican T-10 6.301 -2.16
71 Sippican T-11 1.779 -0.255
201 TSK T-4 6.472 -2.16
202 TSK T-4 6.691 -2.25
211 TSK T-6 6.472 -2.16
212 TSK T-6 6.691 -2.25
221 TSK T-7 6.472 -2.16
222 TSK T-7 6.691 -2.25
231 TSK T-5 6.828 -1.82
241 TSK T-10 6.301 -2.16
251 TSK Deep Blue 6.472 -2.16
252 TSK Deep Blue 6.691 -2.25
261 TSK AXBT
401 Sparton XBT-1 6.301 -2.16
411 Sparton XBT-3 5.861 -0.0904
421 Sparton XBT-4 6.472 -2.16
431 Sparton XBT-5 6.828 -1.82
441 Sparton XBT-5DB 6.828 -1.82
451 Sparton XBT-6 6.472 -2.16
461 Sparton XBT-7 6.472 -2.16
462 Sparton XBT-7 6.705 -2.28
471 Sparton XBT-7DB 6.472 -2.16
481 Sparton XBT-10 6.301 -2.16
491 Sparton XBT-20 6.472 -2.16
501 Sparton XBT-20DB 6.472 -2.16
510 Sparton 536 AXBT 1.524 0
700 Sippican XCTD standard
710 Sippican XCTD deep
720 Sippican AXCTD
730 Sippican SXCTD
741 TSK XCTD 3.42543 -0.47
742 TSK XCTD-2
743 TSK XCTD-2F
751 TSK AXCTD
800 Mechanical BT Not applicable
810 Hydrocast Not applicable
820 Thermistor Chain Not applicable
830 CTD Not applicable
831 CTD-P-ALACE float Not applicable
840 PROVOR No conductivity sensor
841 PROVOR Seabird conductivity sensor
842 PROVOR FSI conductivity sensor
845 Web Research No conductivity sensor
846 Web Research Seabird conductivity sensor
847 Web Research FSI conductivity sensor
850 SOLO No conductivity sensor
851 SOLO Seabird conductivity sensor
852 SOLO FSI conductivity sensor
855 Profiling float, NINJA, No conductivity sensor - Not applicable
856 Profiling float, NINJA, SBE conductivity sensor - Not applicable
857 Profiling float, NINJA, FSI conductivity sensor - Not applicable
858 Profiling float, NINJA, TSK conductivity sensor - Not applicable
900 Sippican T-12 XBT 9.727 -0.0000473
1023 Missing value
853-854, 859-899, 901-1022 Reserved
Notes:
z = a * t + (10**-3) * b * t**2
C 022068
1 Sippican Strip Chart Recorder
2 Sippican MK2A/SSQ-61
3 Sippican MK-9
4 Sippican AN/BHQ-7/MK8
5 Sippican MK-12
6 Sippican MK-21
10 Sparton SOC BT/SV Processor Model 100
11 Lockheed-Sanders Model OL5005
20 ARGOS XBT-ST
21 CLS-ARGOS / Protecno XBT-ST Model-1
22 CLS-ARGOS / Protecno XBT-ST Model-2
30 BATHY Systems SA-810
31 Scripps Metrobyte Controller
32 Murayama Denki Z-60-16 III
33 Murayama Denki Z-60-16 II
34 Protecno ETSM2
35 Nautilus Marine Service NMS-XBT
40 TSK MK-2A
41 TSK MK-2S
42 TSK MK-30
43 TSK MK-30N
45 TSK MK-100
46 TSK MK-130 Compatible recorder for both XBT and XCTD
47 TSK MK-130A XCTD recorder
48 TSK AXBT RECEIVER MK-300
50 JMA ASTOS
60 ARGOS communications, sampling on up transit
61 ARGOS communications, sampling on down transit
62 Orbcomm communications, sampling on up transit
63 Orbcomm communications, sampling on down transit
70 CSIRO Devil-1 XBT acquisition system
71 CSIRO Devil-2 XBT acquisition system
99 Unknown
127 Missing value
Note: All unassigned numbers are reserved for future use.
C 022120
0 Good data
1 Maximum (high) water level limit exceeded
2 Minimum (low) water level limit exceeded
3 Rate of change limit for water level exceeded
4 Flat limit for water level exceeded
5 Observed minus predicted water level value limit exceeded
6 Observed value from primary water level sensor minus backup water level sensor
7 Value exceeded specified tolerance from expected value
8 Water level QA parameter (sigmas and/or outliers) limits exceeded
9 Sea temperature outside of expected range
10 Multiple QC checks (above) failed
11 No automated water level checks performed
31 Missing value
12-30 Reserved
C 022121
0 Operational
1 Possible clogging problem or otherwise degraded water level data
2 Possible datum shift
3 Unknown status of water level sensor
4 Suspected or known sea temperature sensor problem
5 Multiple possible problems (above)
6 Bad data - DO NOT DISSEMINATE!
7 No manual water level checks performed
31 Missing value
8-30 Reserved
C 022122
0 Good data from all sensors
1 Wind direction outside of allowable range
2 Wind speed outside of expected range
3 Barometric pressure outside of expected range
4 Air temperature outside of expected range
5 Multiple sensors failed QC checks
6 No automated meteorological data checks performed
31 Missing value
7-30 Reserved
C 022123
0 Operational
1 Suspected or known problem with wind sensor
2 Suspected or known problem with barometric pressure sensor
3 Suspected or known problem with air temperature sensor
4 Unknown status of all sensors
5 Suspected or known problems with multiple sensors
6 Bad data - DO NOT DISSEMINATE!
7 No manual meteorological data checks performed
31 Missing value
8-30 Reserved
C 023001
0 Reserved
1 Articles 1 and 2
2 Article 3
3 Article 5.2
7 Missing value
4-6 Reserved
C 023002
0 Reserved
1 Nuclear reactor on ground
2 Nuclear reactor at sea
3 Nuclear reactor in space
4 Nuclear fuel facility
5 Radioactive waste management facility
6 Transport of nuclear fuel or radioactive waste
7 Storage of nuclear fuel or radioactive waste
8 Manufacture of radio-isotopes
9 Use of radio-isotopes
10 Storage of radio-isotopes
11 Disposal of radio-isotopes
12 Transport of radio-isotopes
13 Use of radio-isotopes for power generation
30 Other
31 Missing data
14-29 Reserved
C 023003
0 No release
1 Release to atmosphere
2 Release to water
3 Release to both atmosphere and water
4 Expected release to atmosphere
5 Expected release to water
6 Expected release to both atmosphere and water
7 Missing value
C 023004
0 No countermeasures
1 Evacuation
2 Sheltering
3 Prophylaxis
4 Water
7 Missing value
5-6 Reserved
C 023005
0 Incident State does not understand what happened
1 Incident State knows the cause of the incident
2 Reserved
3 Missing value
C 023006
0 No improvement
1 Unstable
2 No detoriation
3 Improving
4 Stable
5 Deteriorating
6 Reserved
7 Missing value
C 023007
0 No release
1 Release has stopped
2 Release
3 Release is continuing
7 Missing value
4-6 Reserved
C 023008
0 Gaseous
1 Particulate
2 Mixture of gaseous and particulate
3 Missing value
C 023009
0 Gaseous
1 Particulate
2 Mixture of gaseous and particulate
3 Missing value
C 023016
0 No significant chemical toxic health effect
1 Significant chemical toxic health effect possible
2 Reserved
3 Missing value
C 023018
0 Release no longer occurring
1 Release still occurring
2 Release expected to increase in next six hours
3 Release expected to remain constant in next six hours
4 Release expected to decrease in next six hours
7 Missing value
5-6 Reserved
C 023031
0 Plume will not encounter rain in incident State
1 Plume will encounter rain in incident State
2 Reserved
3 Missing value
C 023032
0 No significant change expected within the next six hours
1 Anticipated significant change expected within the next six hours
2 Reserved
3 Missing value
C 024003
0 Noble gases
1 Iodines
2 Caesium
3 Transuranics
31 Missing value
4-30 Reserved
C 025004
0 Incoherent
1 Coherent (Doppler)
2 Reserved
3 Missing value
C 025005
0 Logarithm - 2.5 dB
1 Linear
2 Special
3 Missing value
C 025006
0 ZH to R conversion
1 (ZH,ZDR) to (NO,DO) to R
2 (Z(F1),Z(F2)) to attenuation to R
6 Other
7 Missing value
3-5 Reserved
F 025009
1 None
2 Calibration target or signal
3 Against raingauges
4 Against other instruments (distrometer - attenuation)
All 4: Missing value
C 025010
0 None
1 Map
2 Insertion of higher elevation data and map
3 Analysis of the fluctuating logarithm signal (clutter detection)
4 Extraction of the fluctuating part of the signal (clutter suppression)
5 Clutter suppression - Doppler
6 Multiparameter analysis
15 Missing value
7-14 Reserved
C 025011
0 None
1 Map of correction factors
2 Interpolation (azimuth or elevation)
3 Missing value
C 025012
0 Hardware
1 Software
2 Hardware and software
3 Missing value
F 025013
1 Bright-band correction
All 2: Missing value
F 025015
1 Radome attenuation correction
All 2: Missing value
F 025017
1 Precipitation attenuation correction
All 2: Missing value
C 025020
0 FFT (fast Fourier transform)
1 PPP (pulse-pair processing)
2 VPC (vector-phase change)
3 Missing value
F 025021
1 Simple average
2 Consensus average
3 Median check
4 Vertical consistency check
5 Other
6-7 Reserved
All 8: Missing value
C 025030
0 Running mean sea-surface temperature not used because usage criteria not met
1 Running mean sea-surface temperature not used because data not available
2 Running mean sea-surface temperature used as predictor
3 Missing value
C 025032
0 Reserved
1 Data from low mode
2 Data from high mode
3 Missing value
C 025033
0 Wind profiler operating in submode A
1 Wind profiler operating in submode B
2 Reserved
3 Missing value
Meaning (1 = true, 0 = false)
F 025034
1 Test A performed and failed
2 Test B performed and failed
3 Test results inconclusive
All 4: Missing value
C 025036
0 Network of several direction-finders operating on the same individual atmospherics
1 Network of several arrival-time stations operating on the same individual atmospherics
6 Single station range bearing technique
15 Missing value
2-5 and 7-14 Reserved
C 025040
0 Non-specific mode
1 First guess data
2 Cloud data
3 Average vector data
4 Primary data
5 Guess data
6 Vector data
7 Tracer data; this image
8 Tracer data to next image
15 Missing value
9-14 Reserved
C 025041
0 Direction originally reported in true degrees
1 Direction originally reported using Code table 0700, FM 13
2 Reserved
3 Missing value
Note: Where the original reporting method is as indicated by code figure 1, the following conversion is recommended to obtain a suitable data value corresponding to descriptor 0'01'012:
Reported value Data value
0 0
1 45
2 90
3 135
4 180
5 225
6 270
7 315
8 360
9 511
C 025042
0 Speed originally reported in metres per second
1 Speed originally reported using Code table 4451, FM 13
2 Reserved
3 Missing vallue
Note: Where the original reporting method is as indicated by code figure 1, the following conversion is recommended to obtain a suitable data value corresponding to descriptor 0'01'013:
Reported value Data value
0 0
1 1
2 4
3 7
4 9
5 12
6 14
7 17
8 19
9 21
/ 1023
F 025045
1-20 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 21: Missing value
F 025046
1-4 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 5: Missing value
F 025047
1-3 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 4: Missing value
F 025048
1-15 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 16: Missing value
F 025049
1-5 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 6: Missing value
F 025051
1-6 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 7: Missing value
F 025053
1 Good
2 Redundant
3 Questionable
4 Bad
5 Experimantal
6 Precipitating
7-11 Reserved
All 12: Missing value
F 025069
1 Smoothed
2 Baseline adjusted
3 Normalized time interval
4 Outlier checked
5 Plausibility checked
6 Consistency checked
7 Interpolated
All: Missing value
C 025086
0 Depths are not corrected
1 Depths are corrected
2 Reserved
3 Missing value
F 025093
1 No correction
2 Vertical velocity correction
7 All corrections
3-6 Reserved
All 8: Missing value
F 025095
1 Altimeter operating (set to 0 if nominal, set to 1 if backup)
All 2: Missing value
F 025096
1 Mode indicator (0 if Mode 2, 1 if Mode 1)
2 Mode 1 Calibration sequence indicator (0 if normal data taking either Mode 1 or 2, 1 if Mode 1 Calibration sequence)
3 Channel 2 (0 if on, 1 if off)
4 Channel 3 (0 if on, 1 if off)
All 5: Missing value
Bits 3 and 4 indicate active 23.8 GHz channel(s)
C 025097
0 Ranges between 0 and 30 cm
1 Ranges between 30 and 60 cm
2 Ranges between 60 and 90 cm
3 Ranges between 90 and 120 cm
4 Ranges between 120 and 150 cm
5 Ranges between 150 and 180 cm
6 Ranges between 180 and 210 cm
7 Ranges between 210 and 240 cm
8 Ranges between 240 and 270 cm
9 Ranges larger than 270 cm
15 Missing value
10-14 Reserved
F 026010
1 0100 included
2 0200 included
3 0300 included
4 0400 included
5 0500 included
6 0600 included
7 0700 included
8 0800 included
9 0900 included
10 1000 included
11 1100 included
12 1200 included
13 1300 included
14 1400 included
15 1500 included
16 1600 included
17 1700 included
18 1800 included
19 1900 included
20 2000 included
21 2100 included
22 2200 included
23 2300 included
24 2400 included
25 Unknown mixture of hours
All 26: Missing value
C 029001
0 Gnomonic projection
1 Polar stereographic projection
2 Lambert's conformal conic projection
3 Mercator's projection
4 Scanning cone (radar)*
7 Missing value
5-6 Reserved
* Projection type 4 indicates a Cartesian grid placed directly on the scanning cone defined by the azimuthal sweep of the radar.
C 029002
0 Cartesian
1 Polar
2 Other
7 Missing value
3-6 Reserved
C 030031
0 PPI
1 Composite
2 CAPPI
3 Vertical section
4 Alphanumeric data
5 Map of subject clutter
6 Map
7 Test picture
8 Comments
9 Map of ground occultation
10 Map of radar beam height
14 Other
15 Missing value
11-13 Reserved
F 030032
1 Map
2 Satellite IR
3 Satellite VIS
4 Satellite WV
5 Satellite multispectral
6 Synoptic observations
7 Forecast parameters
8 Lightning data
15 Other data
9-14 Reserved
All 16: Missing value
C 031021
0 Reserved
1 1-bit indicator of quality; 0=good, 1=suspect or bad
2 2-bit indicator of quality; 0=good, 1=slightly suspect, 2=highly suspect, 3=bad
6 Quality Control Flag according to GTSPP
7 Percentage confidence
21 1-bit indicator of correction (see Note 2); 0=original value, 1=substituted/corrected value
63 Missing value
3-5, 8-20 Reserved
22-62 Reserved for local use
Notes:
GTSPP quality values (6): 0 = Unqualified 1 = Correct value (all checks passed) 2 = Probably good but value inconsistent with statistics (differ from climatology) 3 = Probably bad (spike, gradient, ... if other tests passed) 4 = Bad value, impossible value (out of scale, vertical instability, constant profile) 5 = Value modified during quality control 6-7 = Not used (reserved) 8 = Interpolated value 9 = Missing value
(Actually this is a FlagTable)
C 031031
0 Data present
1 Data not present
C 033002
0 Data not suspect
1 Data suspect
2 Reserved
3 Quality information not given
C 033003
0 Data not suspect
1 Data slightly suspect
2 Data highly suspect
3 Data considered unfit for use
7 Quality information not given
4-6 Reserved
F 033005
1 No automated meteorological data checks performed
2 Pressure data suspect
3 Wind data suspect
4 Dry-bulb temperature data suspect
5 Wet-bulb temperature data suspect
6 Humidity data suspect
7 Ground temperature data suspect
8 Soil temperature (depth 1) data suspect
9 Soil temperature (depth 2) data suspect
10 Soil temperature (depth 3) data suspect
11 Soil temperature (depth 4) data suspect
12 Soil temperature (depth 5) data suspect
13 Cloud data suspect
14 Visibility data suspect
15 Present weather data suspect
16 Lightning data suspect
17 Ice deposit data suspect
18 Precipitation data suspect
19 State of ground data suspect
20 Snow data suspect
21 Water content data suspect
22 Evaporation/evapotranspiration data suspect
23 Sunshine data suspect
24-29 Reserved
All 30: Missing value
C 033006
0 Self-check OK
1 At least one Warning active, no Alarms
2 At least one Alarm active
3 Sensor failure
7 Missing value
4-6 Reserved
C 033015
0 Passed all checks
1 Missing-data check
2 Descending/reascending balloon check
3 Data plausibility check (above limits)
4 Data plausibility check (below limits)
5 Superadiabatic lapse rate check
6 Limiting angles check
7 Ascension rate check
8 Excessive change from previous flight
9 Balloon overhead check
10 Wind speed check
11 Wind direction check
12 Dependency check
13 Data valid but modified
14 Data outlier check
63 Missing value
15-62 Reserved
C 033020
0 Good
1 Inconsistent
2 Doubtful
3 Wrong
4 Not checked
5 Has been changed
6 Estimated
7 Missing value
C 033021
0 Within limits
1 Outside limits
2 Reserved
3 Missing value
C 033022
0 Good (several identical reports have been received)
1 Dubious (no identical reports have been received)
2 Reserved
3 Missing value
C 033023
0 Reliable (location was made over two satellite passes)
1 Latest known (no location over the corresponding pass)
2 Dubious (location made over one pass only; a second solution is possible in 5 per cent of the cases)
3 Missing value
C 033024
0 Reserved
1 Excellent - within 3 meters
2 Good - within 10 meters
3 Fair - within 20 meters
4 Poor - more than 20 meters
5 Excellent - within 10 feet
6 Good - within 30 feet
7 Fair - within 60 feet
8 Poor - more than 60 feet
15 Missing value
9-14 Reserved
C 033025
0 Time interpolated, latitude and longitude reported
1 Time reported, latitude and longitude interpolated
2 Time, latitude, and longitude interpolated
3 Time, latitude, and longitude reported
7 Missing value
4-6 Reserved
C 033026
0 Normal operations - measurement mode
1 Normal operations - non-measurement mode
2 Small RH
3 Humidity element is wet
4 Humidity element contaminated
5 Heater fail
6 Heater fail and wet/contaminated humidity element
7 At least one of the input parameters used in the calculation of mixing ratio is invalid
8 Numeric error
9 Sensor not installed
63 Missing value
10-62 Reserved
C 033027
0 Radius >= 1500 m
1 500 m <= Radius < 1500 m
2 250 m <= Radius < 500 m
3 Radius < 250 m
7 Missing value
4-6 Reserved
F 033030
1 Do not use scan for product generation
2 Time sequence error detected with this scan
3 Data gap precedes this scan
4 No calibration
5 No Earth location
6 First good time following a clock update
7 Instrument status changed with this scan
8-23 Reserved
All 24: Missing value
Note: If bit is set to 1 then statement is true.
F 033031
1 Time field is bad but can probably be inferred from the previous good time
2 Time field is bad and can't be inferred from the previous good time
3 This record starts a sequence that is inconsistent with previous times (i.e. there is a time discontinuity). This may or may not be associated with a spacecraft clock update (see scan line status flags for ATOVS)
4 Start of a sequence that apparently repeats scan times that have been previously accepted
5 Scan line was not calibrated because of bad time
6 Scan line was calibrated using fewer than the preferred number of scan lines because of proximity to start or end of data or to a data gap
7 Scan line was not calibrated because of bad or insufficient PRT data
8 Scan line was calibrated but with marginal PRT data
9 Some uncalibrated channels on this scan
10 Uncalibrated due to instrument mode
11 Questionable calibration because of antenna position error of space view
12 Questionable calibration because of antenna position error of black body
13 Not Earth located because of bad time
14 Earth location questionable because of questionable time code (see time problem code bits)
15 Earth location questionable - only marginal agreement with reasonableness check
16 Earth location questionable - fails reasonableness check
17 Earth location questionable because of antenna position check
18 Scan line calibration cold black body
19 Scan line calibration warm black body
20 Scan line calibration space view
21 Earth view
22-23 Reserved
All 24: Missing value
Notes:
F 033032
1 No good blackbody counts for scan line
2 No good space view counts for this line
3 No good PRTs for this line
4 Some bad blackbody view counts for this line
5 Some bad space view counts for this line
6 Some bad PRT temps on this line
7-23 Reserved (bits set to zero)
All 24: Missing value
Note: All bits off implies a good calibration.
F 033033
1 Set if secondary calibration used
22 Set if all the channels are missing
23 Suspect
2-21 Bit n set to 1 if brightness temperature in channel n-1 is physically
unreasonable or has not been calculated due to calibration problems
All 24: Missing value
Notes:
C 033035
0 Automatic quality control passed and not manually checked
1 Automatic quality control passed and manually checked and passed
2 Automatic quality control passed and manually checked and deleted
3 Automatic quality control failed and manually not checked
4 Automatic quality control failed and manually checked and failed
5 Automatic quality control failed and manually checked and re-inserted
6 Automatic quality control flagged data as questionable and not manually checked
7 Automatic quality control flagged data as questionable and manually checked and failed
8 Manually checked and failed
15 Missing value
9-14 Reserved
F 033037
1 U departure from guess
2 V departure from guess
3 U and V departure from guess
4 U acceleration
5 V acceleration
6 U and V acceleration
7 Possible land feature
8 U acceleration and possible land feature
9 V acceleration and possible land feature
10 U and V acceleration and possible land feature
11 Bad wind guess
12 Correlation failure
13 Search box off edge of area
14 Target box off edge of area
15 Pixel brightness out of bounds (noisy line)
16 Target outside of latitude/longitude box
17 Target outside of pressure minimum/maximum
18 Autoeditor flagged slow vector
19 Autoeditor flagged vectors
All 20: Missing value
F 033038
1 Total Zenith Delay quality is considered poor
2 GALILEO satellites used
3 GLONASS satellites used
4 GPS satellites used
5 Meteorological data applied
6 Atmospheric loading correction applied
7 Ocean tide loading applied
8 Climate quality data processing
9 Near-real time data processing
All 10: Missing value
C 033041
0 The following value is the true value
1 The following value is higher than the true value (the measurement hit the lower limit of the instrument)
2 The following value is lower than the true value (the measurement hit the higher limit of the instrument)
3 Missing value
Note:
C 033050
0 Unqualified
1 Correct value (all checks passed)
2 Probably good but value inconsistent with statistics (differ from climatology)
3 Probably bad (spike, gradient,... if other tests passed)
4 Bad value, impossible value (out of scale, vertical instability, constant profile)
5 Value modified during quality control
8 Interpolated value
15 Missing value
6-7, 9-14 Reserved
C 035000 000-099 International FM Codes 100-199 RA I Codes 200-299 RA II Codes 300-399 RA III Codes 400-499 RA IV Codes 500-599 RA V Codes 600-699 RA VI Codes 700-799 Antarctic Codes 800-999 Reserved 1000-1022 Not used 1023 Missing value
C 035001
0 Real time
1 Near-real time
2 Non-real time
7 Missing value
3-6 Reserved
C 035030
0 No discrepancies
1 Non-compliance with standard and recommended practices and procedures including those of monitoring
2 Catalogues of meteorological bulletins not updated in a timely manner
3 Incorrect routeing directories
4 Lack of flexibility in the routeing arrangements
5 Deficiencies in the operation of GTS centres and circuits
6 Loss of data or delays in relaying data on the GTS
7 Routeing of data different from the routeing provided in the plan
8 Various malpractices
15 Missing value
9-14 Reserved
C 035031
1 Sufficient and all of acceptable quality
2 Sufficient but partly of acceptable quality
3 Insufficient but all of acceptable quality
4 Insufficient and of unacceptable quality
5 Some messages not complete
6 Suspect or wrongly coded groups could not be interpreted confidently
7 Gross coding errors
8 Transmission sequential order not observed
9 Report completely garbled and thus discarded
10 Deficiencies identified and rectified
11 Deficiencies identified but not rectified
12 Deficiencies not identified
13 Measuring errors
14 Mutual inconsistency
15 Temporal inconsistency
16 Forecast error
17 Bias
18 Improve system of quality control
19 Expand training programmes
123 Missing value
20-98 Reserved
99-122 Not used
C 035032
1 Data groups missing due to radio fading
2 Data groups missing due to outage of centre
3 Data groups missing due to outage of circuit
4 Non-implementation or maintenance of required RBSN density
5 Shortage of qualified staff to man stations
6 Lack of consumables
7 Instrument failure
8 Non-adherence to telecommunication procedures
9 Some observing programmes ceased
15 Missing value
10-14 Not used
C 035033
1 No deficiency
2 Observations not made regularly
3 Observations not made at right time
4 Observations made but not disseminated
5 Observations made and sent to incorrect users
6 Collection not received
7 Collection transmitted late
8 Collection not transmitted
9 Difficulties in HF propagation and selection of suitable frequency
10 Difficulties in maintenance of communication equipment at remote stations
11 No alternative arrangement for routeing meteorological observation
123 Missing value
12-99 Reserved
100-122 Not used
C 035034
1 Slight improvement
2 Significant improvement
3 Most significant improvement
4 Steady
5 Decreasing
6 Efforts required to improve night-time observations
7 Missing value
C 035035
0 Reserved
1 Balloon burst
2 Balloon forced down by icing
3 Leaking or floating balloon
4 Weak or fading signal
5 Battery failure
6 Ground equipment failure
7 Signal interference
8 Radiosonde failure
9 Excessive missing data frames
10 Reserved
11 Excessive missing temperature
12 Excessive missing pressure
13 User terminated
30 Other
31 Missing value
14-29 Reserved
Update history
This is version 11.1 of Cipher BUFR and CREX Code & Flag Table, created from original WMO documents by Northern Lighthouse Ltd.