EXAM DECK - WEATHER CODES Flashcards
Minus (-)
(Qualifier)(Intensity)
Light
No Qualifier
(Qualifier)(Intensity)
Moderate
Plus (+)
(Qualifier)(Intensity)
Heavy
VC
(Qualifier)(Proximity)
In the Vicinity
MI
(Qualifier)(Descriptor)
Shallow
BC
(Qualifier)(Descriptor)
Patches
PR
(Qualifier)(Descriptor)
Partial
DR
(Qualifier)(Descriptor)
Drifting
BL
(Qualifier)(Descriptor)
Blowing
SH
(Qualifier)(Descriptor)
Showers
TS
(Qualifier)(Descriptor)
Thunderstorm
FZ
(Qualifier)(Descriptor)
Freezing
DZ
(Precipitation)
Drizzle
RA
(Precipitation)
Rain
SN
(Precipitation)
Snow
SG
(Precipitation)
Snow Grains
IC
(Precipitation)
Ice Crystals
PL
(Precipitation)
Ice pellets
GR
(Precipitation)
Hail
GS
(Precipitation)
Snow Pellets
UP
(Precipitation)
Unknown precipitation
(AWOS only)
BR
(Obscuration)
Mist
FG
(Obscuration)
Fog
FU
(Obscuration)
Smoke
DU
(Obscuration)
Dust
SA
(Obscuration)
Sand
HZ
(Obscuration)
Haze
VA
(Obscuration)
Volcanic Ash
PO
(Other)
Dust/sand whirls (dust devils)
SQ
(Other)
Squalls
+FC
(Other)
Tornado or waterspout
FC
(Other)
Funnel Cloud
SS
(Other)
Sand Storm
DS
(Other)
Dust storm
WS
Wind shear
P
More than
used when describing visibility and altitude
SKC
Sky Clear
(no oktas)
FEW
Few
1-2 oktas
SCT
Scattered
3-4 oktas
BKN
broken
5-7 oktas
OVC
Overcast
8 oktas
CLR
“clear”
(clear below 25,000 ft as interpreted by AWOS
CI
cirrus
NS
nimbostratus
CS
cirrostratus
ST
stratus
CC
cirrocumulus
SF
stratus fractus
AS
altostratus
SC
stratocumulus
AC
altocumulus
ACC
altocumulus castellanus
CU
cumulus
CUFRA
cumulus fractus
TCU
towering cumulus
CB
cumulonimbus