PHAK: 13. Aviation Weather Services, U.S. METAR Abbreviations Flashcards
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maintenance check indicator
ACC
altocumulus castellanus
ACSL
altocumulus standing lenticular cloud
ALQDS
all quadrants (official)
AO1
automated station without precipitation discriminator
APCH
approach
APRX
approximately
AUTO
fully automated report
CA
cloud-air lightning
CBMAM
cumulonimbus mammatus cloud
CCSL
cirrocumulus standing lenticular cloud
CG
cloud-ground lightning
CHINO
sky condition at secondary location not available
CONS
continuous
DOC
Department of Commerce
DOT
Department of Transportation
DSNT
distant
E
- east
- ended
- estimated ceiling (SAO)
FIBI
filed but impracticable to transmit
FMH-1
Federal Meteorological Handbook No.1, Surface Weather Observations & Reports (METAR)
FROPA
frontal passage
FRQ
frequent
FZRANO
freezing rain sensor not available
HLSTO
hailstone
INCRG
increasing
KT
knots
LAST
last observation before a break in coverage at a manual station
LTG
lightning
M
minus, less than
METAR
Meteorological Aerodrome Report
MOV
moved/moving/movement
N
north
NCDC
National Climatic Data Center
NOS
National Ocean Service
NOTAM
Notice to Airmen
NWS
National Weather Service
OFCM
Office of the Federal Coordinator for Meteorology
OVR
over
PCPN
precipitation
PNO
precipitation amount not available
PRESFR
pressure falling rapidly
PWINO
precipitation identifier sensor not available
RTD
Routine Delayed (late) observation
RVR
Runway visual range
RWY
runway
SCSL
stratocumulus standing lenticular cloud
SFC
surface, i.e., ground level)