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130 Cards in this Set

  • Front
  • Back

-

light
(blank)
moderate
+
heavy
VC

in the vicinity

MI

shallow

PR
partial
BC
patches
DR
low drifting
BL
blowing
SH
showers
TS
thunderstorms
FZ
freezing
DZ
drizzle
RA
rain
SN
snow
SG
snow grains
IC
ice crystals
PL
ice pellets
GR
hail
GS
small hail/snow pellets
UP
unknown precipitation
BR
mist
FG
fog
FU
smoke
FGFU
smog
VA
volcanic ash
DU
widespread dust
SA
sand
HZ
haze
PY
spray
PO
dust/sand whirls
SQ
squalls
FC
funnel cloud
+FC
tornado/waterspout
SS
sandstorm
DS
duststorm
DSNT
distant
VV
vertical visibility
SKC
clear (observed)
CLR
clear (automated)
FEW
sky conditions few (1/8-2/8)
SCT
sky conditions scattered (3/8-4/8)
BKN
ceilings broken (5/8-7/8)
OVC
ceilings overcast (8/8)
A01
automated station without precipitation discriminator
A02
automated station with precipitation discriminator
PK WND
peak wind
MOV
moving
VIS
visibility
WSHFT
wind shift
FROPA
frontal passage
TWR VIS
tower visibility
SFC VIS
surface visibility
V
variable
LTG
lightning
CG
cloud to ground
IC
in cloud
CC
cloud to cloud
CA
cloud to air
OCNL
occasional (<1 flash/min)
FRQ
frequent (1-6 flash/min)
CONS
continuous (6+ flash/min)
B
began
E
end
VIRGA
virga
CIG
ceiling
CB
cumulonimbus
CBMAM
cumulonimbus mammatus
TCU
towering cumulus
ACC
altocumulus castellanus
CC
cirrocumulus
SC
stratocumulus
SL
standing lenticular
APRNT
apparent
ROTOR CLD
rotor cloud
PRESRR
pressure rising reapidly
PRESFR
pressure falling rapidly
SLP
sea level pressure
ACFT MSHP
aircraft mishap
NOSPECI
no special reports taken
INCR
increasing rapidly
RVR
runway visual range
RVRNO
runway visual range sensor not operating
PWINO
present weather identifier not operating
PNO
tipping bucket rain gauge sensor not operating
FZRANO
freezing rain sensor not operating
TSNO
lighting detection system sensor not operating
VISNO LOC
secondary visibility sensor not operating
CHINO LOC
secondary ceiling height indicator sensor not operating
$
maintenance indicator
EMBD (TS)
embedded thunderstorms
TURB
turbulence
FIR
flight information region
FL
flight level
FRQ
frequent
IMC
instrument meteorological conditions
ISOL (TS)
isolated thunderstorms
LINE TS
line of thunderstorms
LIMC
low instrument meteorological conditions
MVMC
marginal visual meteorological conditions
MOD
moderate
MT
mountain
OBSC
obscured
MT OBSC
mountain obscuration
OCNL
occasional
SCT
scattered
SEV
severe
VMC
visual meteorological conditions
WDLY SCT
widely scattered
WDSPR
widespread
NSW
no significant weather
LDG
landing
COR
correction
CAVU
ceiling and visibility unlimited
BECMG
becoming

AMD

amended forecast

STN

station

SOG

snow on ground

OHD

overhead

LWR

lower

INTMT

intermittent

G

gust

DSIPTG

dissipating

CHI

cloud height indicator

ALQDS/ALQS

all quadrants

APRX

approximately

HLSTO

hailstone

PCPN

precipitation

SFC

surface

RTD

routine delayed observation