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METAR codes
Decoding weather and weather reports
57
Aviation
Professional
10/16/2012
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Term
AT
 Definition
At (time)
Term
BC
 Definition
Patches (descriptor)
Term
BECMG
 Definition
Becoming
Term
BKN
 Definition
Broken (5-7/8)
Term
BL
 Definition
Blowing (descriptor)
Term
BR
 Definition
Mist
Term
CAVOK
 Definition
Ceiling and Visibility OK
- Visibility 10km or more
- No clouds of operational significance
- No wx of significance to aviation (i.e. precipitation)
Term
CB
 Definition
Cumulonimbus
Term
DR
 Definition
Low drifting (descriptor)
Term
DS
 Definition
Dust storm
Term
DU
 Definition
Dust
Term
DZ
 Definition
Drizzle
Term
FEW
 Definition
Few (1-2/8)
Term
FG
 Definition
Fog
Term
FM
 Definition
From (time)
Term
FU
 Definition
Smoke
Term
FZ
 Definition
Freezing (descriptor)
Term
G
 Definition
Gusts
Term
GR
 Definition
Hail
Term
GS
 Definition
Small grains / Snow grains
Term
HZ
 Definition
Haze
Term
IC
 Definition
Diamond dust / Ice crystals
Term
KT
 Definition
Knots
Term
LOC
 Definition
Locally
Term
LYR
 Definition
Layered
Term
MI
 Definition
Shallow (descriptor)
Term
NCD
 Definition
No Clouds Detected
Term
NDV
 Definition
Non Directional Variations
Term
NSW
 Definition
Nil Significant Weather
Term
OVC
 Definition
Overcast (8/8)
Term
PL
 Definition
Ice Pellets
Term
PO
 Definition
Dust / Sandwhirls
Term
PR
 Definition
Partial (descriptor)
Term
Q
 Definition
QNH
Term
RA
 Definition
Rain
Term
RE
 Definition
Recent
Term
SA
 Definition
Sand
Term
SCT
 Definition
Scattered (3-4/8)
Term
SG
 Definition
Snowgrains
Term
SH
 Definition
Showers (descriptor)
Term
SKC
 Definition
Sky Clear
- Clouds of no operational significance yet visibility is less than 10 km.
Term
SN
 Definition
Snow
Term
SQ
 Definition
Squall
Term
SS
 Definition
Sandstorm
Term
TCU
 Definition
Towering Cumulus
Term
TL
 Definition
Until (time)
Term
TS
 Definition
Thunderstorms (descriptor)
Term
UP
 Definition
Unidentified precipitation
Term
V
 Definition
Variable (wind)
Term
VA
 Definition
Vulcanic ash
Term
VC
 Definition
In vicinity
Term
VV
 Definition
Vertical visibility
Term
WS
 Definition
Windshear
Term
-
 Definition
Light
Term
+
 Definition
Heavy
Term
No intensity indicator = ?
 Definition
Moderate
Term
RMK
 Definition
Remarks
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