METAR ABBREVIATIONS …
METAR ABBREVIATIONS
METAR/TAF LIST OF ABBREVIATIONS AND ACRONYMS
$
maintenance check indicator
+
heavy intensity
ACC altocumulus castellanus
ACSL AO2 APCH APRX AUTO BC BL C CB CC cd CHI CIG CONS DOC DOT DS DSNT
altocumulus standing lenticular cloud automated station with precipitation discriminator approach approximately fully automated report patches blowing center (with reference to runway designation) cumulonimbus cloud cloud-cloud lightning candela cloud-height indicator ceiling continuous Department of Commerce Department of Transportation duststorm distant
DZ FAA FEW FIBI
FMH-1
drizzle Federal Aviation Administration few clouds filed but impracticable to transmit Federal Meteorological Handbook No.1, Surface Weather Observations & Reports (METAR)
-
/
ACFT MSHP AO1 ALP APRNT ATCT B BKN BR CA CBMAM CCSL CG CHINO CLR COR DOD DR DSIPTG DU DVR E FC FG FIRST
light intensity indicator that visual range data follows; separator between temperature and dew point data.
aircraft mishap
automated station without precipitation discriminator airport location point apparent airport traffic control tower began broken mist cloud-air lightning cumulonimbus mammatus cloud cirrocumulus standing lenticular cloud cloud-ground lightning sky condition at secondary location not available clear correction to a previously disseminated observation Department of Defense low drifting dissipating widespread dust dispatch visual range east, ended, estimated ceiling (SAO) funnel cloud fog first observation after a break in coverage at manual station
FMH2
Federal Meteorological Handbook No.2, Surface Synoptic Codes
1 of 3
12/24/2008 7:48 AM
METAR ABBREVIATIONS
FRQ frequent
FT
feet
FZ
freezing
G
gust
GS
small hail and/or snow pellets
HZ
haze
ICAO International Civil Aviation Organization
INTMT intermittent
L
left (with reference to runway designation)
LST Local Standard Time
LWR lower
max maximum
MI
shallow
MOV moved/moving/movement
N
north
NCDC National Climatic Data Center
NOS National Ocean Survey
NOTAM Notice to Airmen
NWS National Weather Service
OFCM Office of the Federal Coordinator for Meteorology
OVC overcast
P
indicates greater than the highest reportable value
PL
ice pellets
PNO precipitation amount not available
PRES pressure
PRESFR pressure falling rapidly
PWINO precipitation identifier sensor not available
R
right (with reference to runway designation), runway
RTD Routine Delayed (late) observation
RVR Runway Visual Range
RY runway
SA
sand
2 of 3
FROPA FU FZRANO GR HLSTO IC INCRG KT LAST LTG M METAR min MT N/A NE NOSPECI NW OCNL OHD OVR PCPN PK WND PO PR PRESRR PY RA RV RVRNO S SCSL
frontal passage smoke freezing rain sensor not available hail HLSTO hailstone ice crystals, in-cloud lightning increasing KNOTS last observation before a break in coverage at a manual station lightning minus, less than routine weather report provided at fixed intervals minimum mountains not applicable northeast no SPECI reports are taken at the station northwest occasional overhead over precipitation peak wind dust/sand whirls (dust devils) partial pressure rising rapidly spray rain reportable value RVR system values not available snow, south stratocumulus standing lenticular cloud
12/24/2008 7:48 AM
METAR ABBREVIATIONS
SCT scattered
SFC surface
SH
shower(s)
SLP sea-level pressure
SM statute miles
SNINCR snow increasing rapidly
SPECI an unscheduled report taken when certain criteria have been met
SS
sandstorm
SW snow shower, southwest
TS
thunderstorm
TWR tower
UP
unknown precipitation
V
variable
VC in the vicinity
VISNO visibility at secondary location not available
VRB variable
W
west
WMO World Meteorological Organization
WSHFT wind shift
SE SG SKC SLPNO SN SP SQ STN TCU TSNO UNKN UTC VA VIS VR VV WG/SO WND Z
Return To METAR Introduction and menu Return to Fairbanks AFSS Home Page
southeast snow grains sky clear sea-level pressure not available snow snow pellets squalls station towering cumulus thunderstorm information not available unknown Coordinated Universal Time volcanic ash visibility visual range vertical visibility Working Group for Surface Observations wind zulu, i.e., Coordinated Universal Time
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12/24/2008 7:48 AM
ASOS User's Guide Manual, Appendix C
KEY TO DECODE AN ASOS (METAR) OBSERVATION
METAR KABC 121755Z AUTO 21016G24KT 180V240 1SM R11/P6000FT -RA BR BKN015 OVC025 06/04 A2990 RMK AO2 PK WND 20032/25 WSHFT 1715 VIS 3/4V1 1/2 VIS 3/4 RWY11 RAB07 CIG 013V017 CIG 017 RWY11 PRESFR SLP125 P0003 60009 T00640036 10066 21012 58033 TSNO $
TYPE OF REPORT STATION IDENTIFIER DATE/TIME REPORT MODIFIER WIND DIRECTION AND SPEED
VISIBILITY RUNWAY VISUAL RANGE WEATHER PHENOMENA
SKY CONDITION TEMPERATURE/DEW POINT ALTIMETER
METAR: hourly (scheduled) report; SPECI: special (unscheduled) report.
METAR
Four alphabetic characters; ICAO location identifier.
KABC
All dates and times in UTC using a 24-hour clock; two-digit date and four-digit time; always appended with Z to indicate UTC.
121755Z
Fully automated report, no human intervention; removed when observer signed-on.
AUTO
Direction in tens of degrees from true north (first three digits); next two digits: speed in whole knots; as needed Gusts (character) followed by maximum observed speed; always appended with KT to indicate knots; 00000KT for calm; if direction varies by 60? or more a Variable wind direction group is reported.
21016G24KT 180V240
Prevailing visibility in statute miles and fractions (space between whole miles and
fractions); always appended with SM to indicate statute miles; values ................
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