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Explanation of Data Designators T1T2A1A2ii CCCC
TABLE C7 Data type designator A1 (when T1 = K)
Instructions for the proper application of the level designators
(1)  T1T2 = SZ is allocated to sea level data and deep-ocean tsunami data in any alphanumeric form, including CREX.


T1 = K - CREX
T2 = F - Surface/Sea Level
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K F A   Surface area forecast (e.g. airways)    
K F D   Radiological forecast RADOF  
K F M   Surface forecasts (eg MOS)    
K F O   Maritime forecast  MAFOR  
K F P   Forecast amendments (airways)    
K F R   Hydrologic forecast HYFOR  
K F S   Forecast amendments (TAF)    
K F T   Aerodrome forecast (TAF)    
K F X   Other surface forecasts    

 

T1 = K - CREX
T2 = O - Oceanographic/limnographic (water properties)
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K O B   Buoy observations  BUOY 001/025
K O I   Sea ice    
K O P   Sub-surface profiling floats  TESAC  031/004
K O R   Sea surface observations  TRACKOB 031/001
K O S   Sea surface and below soundings BATHY, TESAC  031/005
K O T   Sea surface temperature    
K O W   Sea surface waves  WAVEOB  031/002
K O X   Other sea environmental WAVEOB  031/002

 

T1 = K - CREX
T2 = P -  
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K P I   Sea ice    
K P S   Sea surface and below soundings    
K P T   Sea surface temperature    
K P W   Sea surface waves    
K P X   Other sea environmental    

 

T1 = K - CREX
T2 = S - Surface
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K S A 01-29 Routinely scheduled observations for distribution from automatic (fixed or mobile) land stations (e.g. 0000, 0100, … or 0220, 0240, 0300, …, or 0715, 0745, … UTC)  n/a  000/006
K S A 30-59 N-minute observations from automatic (fixed or mobile) land stations n/a  000/007
K S B   Radar reports (parts A and B)  RADOB  006/003
K S C 01-45 Climatic observations from land stations CLIMAT  000/020
K S C 46-59 Climatic observations from marine stations CLIMAT SHIP  001/020
K S D   Radiological observation  RADREP 010/001
K S E   Measurement of surface ozone n/a  008/000
K S F   Source of atmospherics SFAZI, SFLOC, SFAZU 000/030
K S I 01-45 Intermediate synoptic observations from fixed land stations SYNOP (SIxx) 000/001
000/051
K S I 46-59 Intermediate synoptic observations from mobile land stations SYNOP MOBIL  000/004
K S M 01-45 Main synoptic observations from fixed land stations SYNOP (SMxx) 000/002
000/052
K S M 46-59 Main synoptic observations from mobile land stations SYNOP MOBIL  000/005
K S N 01-45 Synoptic observations from fixed land stations at non-standard time (i.e. 01, 02, 04, 05, ... UTC) SYNOP (SNxx) 000/000
000/050
K S N 46-59 Synoptic observations from mobile land stations at non-standard time (i.e. 01, 02, 04, 05, 07, 08, 10, 11, 13, ..UTC) SYNOP MOBIL  000/003
K S R   Hydrologic reports  HYDRA  000/040
K S S 01-19 Synoptic observations from marine stations SHIP 001/000
K S S 20-39 One-hour observations from automatic marine stations n/a  001/006
K S S 40-59 N-minute observations from automatic marine stations n/a  001/007
K S V   Special aeronautical observations (SPECI) SPECI  000/011
K S W   Aviation routine weather observations (METAR) METAR  000/010
K S X   Other surface data  IAC, IAC FLEET  

 

T1 = K - CREX
T2 = T - ?
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K T E   Tsunami    
K T H   Hurricane, typhoon, tropical storm warning    
K T S   Severe weather, SIGMET    
K T T   Tornado warning    
K T X   Other warnings    

 

T1 = K - CREX
T2 = U - Upper air
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K U A   Single level aircraft reports (automatic) AMDAR  004/000
K U A   Single level aircraft reports (manual) AIREP/PIREP  004/001
K U B   Single level balloon reports  n/a  
K U C   Single level satellite-derived reports SAREP  005/000
K U D   Dropsonde/dropwindsondes  TEMP DROP 002/007
K U E   Ozone vertical sounding   008/001
K U I   Dispersal and transport analysis   n/a 009/000
K U J 01-19 Upper wind from fixed land stations (parts A, B, C and D) PILOT  002/001
K U J 20-39 Upper wind from mobile land stations (parts A, B, C and D) PILOT MOBIL 002/003
K U J 40-59 Upper wind from marine stations (parts A, B, C and D) PILOT SHIP 002/002
K U K  01-19 Radio soundings from fixed land stations (parts A and B) TEMP 002/004
K U K 20-39 Radio soundings from mobile land stations (parts A and B) TEMP MOBIL  002/006
K U K 40-59 Radio soundings from marine stations (parts A and B) TEMP SHIP 002/005
K U L   Total ozone n/a  008/002
K U M   Model derived sondes    
K U N   Rocketsondes    
K U O   Profiles of aircraft observations in ascending /descending AMDAR  002/020
K U P   Profilers  PILOT  002/010
K U Q   RASS temperature profilers  TEMP  002/011
K U S 01-19 Radiosondes/pibal reports from fixed land stations (parts A, B, C and D) TEMP  002/004
K U S 20-39 Radio soundings from mobile land stations (parts A, B, C and D) TEMP MOBIL 002/006
K U S 40-59 Radio soundings from marine stations (parts A, B, C and D) TEMP SHIP 002/005
K U T   Satellite derived sondes    
K U U 46-59 Monthly statistics of data from marine stations SHIP 002/026
K U W  01-19 Upper wind from fixed land stations (parts A and B) PILOT  002/001
K U W 20-39 Upper wind from mobile land stations (parts A and B) PILOT MOBIL  002/003
K U W 40-59 Upper wind from marine stations (parts A and B) PILOT SHIP  002/002
K U X   Other upper air reports    

 

T1 = K - CREX
T2 = V - Upper air
T1 T2 A1 ii Data type TAC correspondence Data Category Sub Category
(Common Table C13)
K V A   Forecast at single levels    
K V B   Coded SIGWX, Embedded Cumulonimbus    
K V C   CREX coded SIGWX, Clear air turbulence    
K V F   CREX coded SIGWX, Fronts    
K V N   CREX coded SIGWX, Other SIGWX parameters    
K V O   CREX coded SIGWX, Turbulence    
K V S   Forecast soundings    
K V T   CREX coded SIGWX, Icing/Tropopause    
K V V   CREX coded SIGWX, Tropical storms, sandstorms, volcanoes    
K V W   CREX coded SIGWX, High-level winds    
K V X   Other upper air forecasts    

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WORLD WEATHER WATCH
CBS Meetings
Reports of Meetings
OPERATIONAL INFORMATION SERVICE
Telecommunications
Abbreaviated Heading
TTAAii CCCC
Symbolic Structure explained
Table Definitions
Table A
Table B1
Table B2
Table B3
Table B4
Table B5
Table B6
Table C1
Table C2
Table C3
Table C4
Table C5
Table C6
Table C7
Table D1
Table D2
Table D3
Indicator BBB

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