Weather Codes
124 METAR, TAF, and PIREP codes and abbreviations.
$
Automated system maintenance indicator
+FC
TAFTornado or waterspout
/FL
PIREPAltitude or flight level
/IC
PIREPIcing
/OV
PIREPPosition
/RM
PIREPRemarks
/SK
PIREPSky cover
/TA
PIREPAir temperature
/TB
PIREPTurbulence
/TM
PIREPObservation time in UTC
/TP
PIREPAircraft type
/WV
PIREPWind direction and speed
/WX
PIREPWeather and flight visibility
ABV
PIREPAbove
AMD
TAFAmended forecast
AO1
Automated station without a precipitation discriminator
AO2
Automated station with a precipitation discriminator
AUTO
Automated observation
BC
TAFPatches
BECMG
TAFBecoming: change during the stated interval; international usage
BKN
TAFBroken clouds: five through seven eighths
BL
TAFBlowing
BLO
PIREPBelow
BR
TAFMist
BTWN
PIREPBetween
CAT
PIREPClear Air Turbulence
Turbulence away from clouds, often near the jet stream. Used in PIREP weather reports.
CAVOK
TAFVisibility, cloud and weather meet CAVOK criteria; international usage
CB
TAFCumulonimbus
CHINO
Cloud-height information unavailable
CLR
TAFAutomated report: no clouds detected below 12,000 feet
CNL
TAFForecast cancelled
CONT
PIREPContinuous
COR
TAFCorrected report
CTAF
Common Traffic Advisory Frequency
Where pilots self-announce at an airport without an operating tower.
DR
TAFLow drifting
DS
TAFDuststorm
DU
TAFWidespread dust
DURC
PIREPDuring climb
DURD
PIREPDuring descent
DZ
TAFDrizzle
EXTRM
PIREPExtreme turbulence
FC
TAFFunnel cloud
FEW
TAFFew clouds: more than zero through two eighths
FG
TAFFog
FM
TAFFrom the specified day and time: new prevailing forecast
FROPA
Frontal passage
FT
TAFFeet
FU
TAFSmoke
FZ
TAFFreezing
FZRANO
Freezing-rain information unavailable
G
TAFWind gusts (wind group)
GR
TAFHail
GS
TAFSmall hail or snow pellets
HZ
TAFHaze
IC
TAFIce crystals
INTMT
PIREPIntermittent
KT
TAFKnots
LGT
PIREPLight intensity
LLWS
PIREPLow-level wind shear
LTG
TAFLightning
METAR
TAFAviation Routine Weather Report
An hourly airport weather observation. Used in METAR and TAF weather reports.
MI
TAFShallow
MOD
PIREPModerate intensity
MPS
TAFMetres per second
MX
PIREPMixed icing
NCD
TAFNo cloud detected; international automated reports
NEG
PIREPNone reported
NIL
TAFReport unavailable
NOSIG
TAFNo significant change expected
NSC
TAFNo significant cloud; international usage
NSW
TAFNo significant weather
OCNL
PIREPOccasional
OVC
TAFOvercast: eight eighths
PIREP
PIREPPilot Weather Report
Used in PIREP weather reports.
PK WND
Peak wind
PL
TAFIce pellets
PNO
Precipitation amount information unavailable
PO
TAFDust or sand whirls
PR
TAFPartial
PRESFR
Pressure falling rapidly
PRESRR
Pressure rising rapidly
PROB30
TAFThirty percent probability during the stated interval
PROB40
TAFForty percent probability; international usage
PWINO
Precipitation identifier information unavailable
PY
TAFSpray
RA
TAFRain
RAB
Rain began; remarks followed by time
RAE
Rain ended; remarks followed by time
RE
TAFRecent weather prefix
RIME
PIREPRime icing
RMK
Remarks follow
RVR
TAFRunway Visual Range
Visibility along the runway, in feet. Used in METAR and TAF weather reports.
RVRNO
Runway visual range information unavailable
SA
TAFSand
SCT
TAFScattered clouds: three or four eighths
SEV
PIREPSevere intensity
SG
TAFSnow grains
SH
TAFShowers
SKC
TAFSky clear
SLP
Sea-level pressure
SM
TAFStatute Miles
Used in METAR and TAF weather reports.
SN
TAFSnow
SPECI
TAFSpecial weather report
An unscheduled METAR issued when weather changes significantly. Used in METAR and TAF weather reports.
SQ
TAFSquall
SS
TAFSandstorm
TAF
TAFTerminal Aerodrome Forecast
A forecast for the area around an airport. Used in METAR and TAF weather reports.
TCU
TAFTowering cumulus
TEMPO
TAFTemporary fluctuations within the stated period
TN
TAFForecast minimum temperature; international usage
TRC
PIREPTrace icing
TS
TAFThunderstorm
TSNO
Thunderstorm information unavailable
TX
TAFForecast maximum temperature; international usage
UA
PIREPRoutine pilot report
UP
TAFUnidentified precipitation
UUA
PIREPUrgent pilot report
VA
TAFAlso Va
Design maneuvering speed
Full, abrupt control use won't overstress the airplane at or below it. Lower at lighter weight. Used in METAR and TAF weather reports.
VC
TAFIn the vicinity
VIRGA
TAFPrecipitation evaporating before reaching the ground
VISNO
Visibility information unavailable
VRB
TAFVariable wind direction
VV
TAFVertical visibility into an obscuration
WS
TAFWind shear
WSHFT
Wind shift
Report groups and modifiers ยท AWC decoding guide
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