Abbreviations used in aviation forecasts and warnings
(UK Met Office)
A
AC
AD
AGL
AMD
AMSL
APR
AS
ASR
AUG
AUTO
Altocumulus
Aerodrome
Above ground level
Amend or amended
Above mean sea level
April
Altostratus
Altimeter setting region
August
Automated METAR (produced with CAA approval outside normal operational
hours)
B
BASE
BCFG
BECMG
BKN
BL
BLW
BR
BTN
Cloud base
Fog patches
Becoming
Broken (5 to 7 oktas)
Blowing
Below
Mist
Between
C
C
CAT
CAVOK
CB
CC
CI
CIT
CLD
COR
COT
CS
CU
Degrees Celsius
Clear Air Turbulence
Ceiling and visibility OK
Cumulonimbus
Cirrocumulus
Cirrus
Near or over large towns
Cloud
Correction
At the coast
Cirrostratus
Cumulus
1
D
D
DEC
DEG
DP
DR
DS
DU
DUC
DZ
Downward (tendency in RVR in Civil observations)
December
Degrees
Dew point temperature
Low drifting (followed by DU, SA or SN)
Duststorm
Dust (in suspension)
Dense upper cloud
Drizzle
E
E
ENE
ESE
EMBD
ETA
ETD
East or easterly
East-north-east or east-north-easterly
East-south-east or east-south-easterly
Embedded
Estimated time of arrival
Estimated time of departure
F
FC
FCST
FEB
FEW
FG
FL
FM...
FPM
FRQ
FT
FU
FZ
Funnel cloud
Forecast
February
Few (1 or 2 oktas)
Fog
Flight level
From (followed by time weather change is to begin)
Feet per minute
Frequent
Feet
Smoke
Freezing (followed by DZ, FG or RA)
G
G
GEN
GND
GR
GS
Gust
Generally
Ground
Hail (5 mm or more in diameter)
Small hail or snow pellets
2
H
H
HPA
HVY
HZ
High pressure centre
Hectopascals (= Millibar)
Heavy
Haze
I
IC
ICE
INS
INTSF
IRVR
ISOL
Ice crystals (diamond dust)
Icing
Inches (on F2309)
Intensifying
Instrumented RVR
Isolated
J
JAN
JTST
JUL
JUN
January
Jet stream
July
Jun
K
KM
KMH
KT
Kilometres
Kilometres per hour
Knots
L
L
LAN
LOC
LSQ
LV
LYR
Low pressure centre
Inland (or over land)
Locally
Line squall
Light & variable (relating to wind)
Layer(s), layered
3
M
M
M
M
MAR
MAX
MB
METAR
MI
MNM
MOD
MON
MPS
MS
MSL
MTW
Less than 0 °C (temperature)
Less than the lowest reportable value (RVR)
Metres
March
Maximum
Millibars
Aviation routine weather report
Shallow (followed by FG)
Minimum
Moderate
Above or covering mountains
Metres per second
Minus
Mean sea level
Mountain waves
N
N
NAT
NCD
NDV
NE
NIL
NM
NNE
NNW
NOSIG
NOTAM
NOV
NS
NSC
NSW
NW
North or northerly
North Atlantic
No Cloud Detected (on AUTO METARs only)
No Directional Variation (on AUTO METARs only)
North-east or north-easterly
None
Nautical miles
North-north-east or north-north-easterly
North-north-west or north-north-westerly
No significant change expected
Notice containing important aeronautical information to all personnel
concerned with flight operations
November
Nimbostratus
No significant cloud
No significant weather
North-west or north-westerly
O
OCNL
OCT
OVC
Occasional, occasionally
October
Overcast (8 oktas)
4
P
P
PL
PO
PRFG
PROB
PS
PSYS
Greater than the highest reportable value (RVR)
Ice pellets
Dust devils
Fog banks
Probability
Plus
Pressure System(s)
Q
QFE
QNE
QNH
Atmospheric pressure at specified datum
Aerodrome height expressed in pressure altitude
Altimeter sub-scale setting to obtain elevation when on the ground
R
RA
RMK
RVR
RWY
Rain
Remarks
Runway visual range
Runway
S
S
SA
SC
SCT
SE
SEA
SEP
SEV
SFC
SG
SH...
SIG
SKC
SN
SPECI
SQ
SS
SSE
SSW
ST
STNR
SW
South or southerly
Sand (in suspension)
Stratocumulus
Scattered (3 or 4 oktas)
South-east or south-easterly
At sea
September
Severe
Surface
Snow grains
Shower (followed by RA, SN, PL, GR, GS or combinations thereof)
Significant
Sky clear
Snow (flakes)
Aviation special weather report
Squall
Sandstorm
South-south-east or south-south-easterly
South-south-west or south-south-westerly
Stratus
Stationary
South-west or south-westerly
5
T
T
TAF
TCU
TEMPO
TL
TOP
TROP
TS
TURB
Temperature
Terminal aerodrome forecast
Towering cumulus
Temporary, temporarily
Until
Cloud top
Tropopause
Thunderstorm (may also be followed by RA, SN, PL, GR, GS or combinations
thereof)
Turbulence
U
U
UP
UTC
Upward (tendency in RVR)
Unidentified Precipitation (on AUTO METARs only)
Co-ordinated Universal Time
V
VA
VAL
VC...
VIS
VRB
VSP
Volcanic ash
In valleys
In vicinity of aerodrome (followed by FG, FC, SH, PO, BLDU, BLSA, BLSN)
Visibility
Variable
Vertical speed
W
W
WAFC
WDSPR
WNW
WRNG
WS
WSPD
WSW
WX
West or westerly
World Area Forecast Centre
Widespread
West-north-west or west-north-westerly
Warning
Wind shear
Wind speed
West-south-west or west-south-westerly
Weather
Z
Z
Co-ordinated Universal Time
(Extraido del sitio
http://www.metoffice.com/aviation/news/briefing_charts/abbreviations.html#a)
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