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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 01-45 Monthly statistics of data from upper-air stations CLIMAT TEMP 002/025
K U U 01-45 Monthly statistics of data from upper-air stations CLIMAT TEMP 002/025
K U U 46-59 Monthly statistics of data from marine stations CLIMAT TEMP, 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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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
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