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  Monday 27 March 2017 10:46 GMT  

Aviation Glossaries

'Aviation Language' explained and defined...

categories: Aircraft Parts - Abbreviations - Terms - Definitions - Meteorology - Pronunciation

Glossaries > Meteorology

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

ABNML
ABT
ABV
ACCAS
ACCUM
ACRS
ACSL
ACTV
ACTVTY
ADJ
ADVNG
ADVY
AFDK
AFT
AFTN
ALF
ALSTG
ALTM
AMD
AOA
AOB
APRX
AZM

 

Abnormal
About
Above
Altocumulus Castellanus
Accumulate
Across
Altocumulus Standing Lenticularus
Active
Activity
Adjacent
Advancing
Advisory
After dark
After
Afternoon
Aloft
Altimeter setting
Altimiter
Amended forecast
At or above
At or below
Approximate
Azimuth

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B
BC
BCMG
BECMG
BFR
BFDK
BGNG
BINOVC
BKN
BL
BLO
BLZD
BNTH
BR
BRF
BTWN
BYD
Suffix: minute when precipitation started (ex. SNB20)
Patches (descriptor - METAR)
Becoming
Becoming
Before
Before dark
Beginning
Breaks in overcast
Broken (5-7 octas) (cloud cover - METAR)
Blowing (descriptor - METAR)
Below
Blizzard
Beneath
Brume / Mist (< 5/8 SM) (obscuration - METAR)
Brief
Between
Beyond

C
CAVOK
CAVU
CB
CC
CDFNTL
CEIL
CHG
CI
CIG
CIR
CLDS
CLR
CNTR
CNVTN
COND
CONTRAILS
COR
CS
CST
CU
CUFRA
CVR

 

Celsius (measurement of temperature)
Ceiling and visibility OK
Ceiling and visibility unlimited
Cumulonimbus (cloud type - METAR)
Cirrocumulus (cloud type - METAR)
Cold frontal
Ceiling
Change
Cirrus (cloud type - METAR)
Ceiling
Cirrus (cloud type - METAR)
Clouds
Clear (cloud cover - METAR)
Center
Convection
Conditions
Condensation Trails
Correction in the observation
Cirrostratus
Coast
Cumulus
Cumulus Fractus
Cover

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DABRK
DCR
DEG
DIR
DNS
DNWND
DP
DR
DRFT
DRZL
DS
DTRTG
DU
DWPNT
DZ
Daybreak
Decrease
Degree
Direction
Dense
Down wind
Deep (also: dewpoint)
Drifting (descriptor - METAR)
Drift
Drizzle
Duststorm
Deteriorating
Widespread dust (obscuration - METAR)
Dewpoint
Drizzle (precipitation - METAR)

E
E
ENDG
ETC
EVE
EXCP
EXPC
EXTRM

Suffix: minute when precipitation ended (ex. SNE40)
East
Ending
Et cetera
Evening
Except
Exspect
Extreme

F
FA
FC
+FC
FCST
FEW
FG
FM
FNT
FQT
FRZN
FRZG
FT
FU
FYI
FZ

 

Fahrenheit (measurement of temperature)
Aviation area forecast
Funnel cloud
Tornado / waterspout
Forecast
Few (0-2 octas) (cloud cover - METAR)
Fog (< 5/8 SM) (obscuration - METAR)
From
Front
Frequent
Frozen
Freezing
Terminal forecast
Fume (obscuration - METAR)
For your information
Freezing (descriptor - METAR)

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G
GF
GND
GR
GRDL
GRT
GS
GSTS
GV

Gust / Gusting (in wind direction: 270@15G25)
Ground fog
Ground
Hail (precipitation - METAR)
Gradual
Great
Small hail / snow pellets (precipitation - METAR)
Gusts
Ground visibility

HAZ
HI
HLF
HND
HURCN
HVY
HZ

Hazard
High
Half
Hundred
Hurricane
Heavy
Haze (obscuration - METAR)

IC
IC
ICGIC
ICGIP
IMC
IMDT
IMPT
INCLG
INCR
INFO
INTS
IOVC
INVOF
IP
IPVG

Ice Crystals (precipitation - METAR)
Ice
Icing in clouds
Icing in precipitation
Instrument Meteorological Conditions
Immediate
Important
Including
Increase
Information
Intense
In overcast
In vicinity of
Ice pellets
Improving

JTSTR

 

Jetstream

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KT

Knots

LAT
LCL
LFTG
LGT
LMTD
LO
LONG
LRG
LST
LTG

LTGIC
LTR
LVL
LWR
LYR

Latitude
Local
Lifting
Light
Limited
Low
Longitude
Large
Local standard time
Lightning
 -> LTGCG = lightning cloud-to-ground (W=water)
Lightning in cloud
Later
Level
Lower
Layer

MAX
MB
MDT
MED
MET
METAR
MI
MID
MOVG
MPH
MULT
MXD

Maximum
Millibars
Moderate
Medium
Meteorological
Meteorological Aviation Routine Weather Report
Shallow (descriptor - METAR)
Middle
Moving
Miles per hour
Multiple
Mixed

N
NAB
NEG
NGT
NML
NNNN
NO
NOAA
NOSIG
NR
NSW
NWS
NXT

 

North
Not above
Negative
Night
Normal
End of message
Suffix: not available (ex. RVRNO)
National Oceanic & Atmospheric Administration (USA)
No Significant Change
Near
No Significant Weather
National Weather Service (USA)
Next

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OAT
OBND
OBS
OBSCD
OCFNT
OCLN
OCNL
OCR
OFP
ORIG
OVC
OVR

Outside Air Temperature
Outbound
Observation
Obscured
Occluded front
Occlusion
Occasional
Occurr
Occluded frontal passage
Original
Overcast (cloud cover - METAR)
Over

PCPN
PD
PERM
PIREP
PK WND
PL
PO
POS
PPSN
PR
PRBL
PRESFR
PRESRR
PROB
PROG
PRSNT
PS
PSBL
PTLY
PTNL
PY

Precipitation
Period
Permanent
Pilot weather report
Peak wind
Ice pellets
Well developed dust/sand whirls
Positive
Present position
Partial (descriptor - METAR)
Probable
Pressure falling rapidly
Pressure rising rapidly
Probability (followed by 2-digit % - ex. PROB80)
Forecast
Present
Plus
Possible
Partly
Potentional
Spray (obscuration - METAR)

QNH
QFE

 

Standard Atmospheric Pressure (29.92'' Hg / 1013.2 mb)
Pressure at airport/field elevation

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R
R
RA
RCH
RCMD
RCV
RDC
RGLR
RNFL
RPD
RPRT
RPT
RSG
RVR
RVS
RY
RW
RWY

Runway used in RVR measurement
Rain
Rain (precipitation - METAR)
Reach
Recommended
Receive
Reduce
Regular
Rainfall
Rapid
Report
Repeat
Rising
Runway Visual Range (in feet)
Revise
Runway
Rain shower
Runway

S
SA
SAO
SCT
SFC
SG
SGFNT
SH
SHFT
SHRT
SHWR
SIGMET
SKC
SLGT
SLP
SMK
SML
SN
SNW
SNWFL
SNGL
SNST
SQ
SR
SS
SS
ST
STBL
STD
STDY
STG
STM
STN
SUF
SVR
SXN

 

South
Sand (obscuration - METAR)
Surface observation
Scattered (cloud cover - METAR)
Surface
Snow grains (precipitation - METAR)
Significant
Showers (descriptor - METAR)
Shift
Short
Showers
Significant meteorological information
Sky clear (cloud cover - METAR)
Slight
Sea level pressure (ex. 1013.2 mb -> SLP 132)
Smoke
Small
Snow (precipitation - METAR)
Snow
Snowfall
Single
Sunset
Squall
Sunrise
Sunset
Sandstorm
Stratus
Stable
Standard
Steady
Strong
Storm
Station
Sufficient
Severe
Section

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T
T
TAF
TCU
TDA
TEMP
THK
THN
THRU
THSD
TIL
TMPRY
TMW
TNGT
TO
 
TOVC
TRML
TRRN
TRW
TSW
TS
TURBC
TWD
TWRG
Temperature (see also: TO)
Thunder
Terminal Area Forecast
Towering Cumulus (cloud type - METAR)
Today
Temporarily (ex. TEMPO1216 -> betw. 12-16 UTC)
Thick
Thin
Through
Thousand
Until
Temporary
Tomorrow
Tonight
Temperature data (ex. TO00351050)
 (0035: temperat.: +3.5 / 1050: dewpoint: -5.0 deg.C)
Top of overcast
Terminal
Terrain
Thunderstorm
Thunderstorm with snow showers
Thunderstorm (descriptor - METAR)
Turbulence
Toward
Towering

UNAVBL
UNKN
UNL
UNRSTD
UP
UPR
UWNDS

Unavailable
Unknown
Unlimited
Unrestricted
Unknown Precipitation (precipitation - METAR)
Upper
Upper winds

V
VA
VC
VIS
VMC
VRB
VRY
VSBY
VV
Varies (used with wind direction / RVR)
Volcanic Ash (obscuration - METAR)
Vicinity
Visibility
Visual Meteorological Conditions
Variable (eg. wind direction)
Very
Visibility
Vertical visibility (cloud cover - METAR)

W
WK
WND
WO
WRM
WRS
WS
WX

 

West
Weak
Wind
Without
Warm
Worse
Windshear
Weather

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XTRM
 
extreme
see also: ex-...
YDA Yesterday
Z
ZL
ZR
Zulu = Universal Coordinated time (UTC)
Freezing drizzle
Freezing rain
Suffixes of contractions  

-G
-S
-D
-(L)Y
-TY
-BND
-RN
-WD

 

-ing (ex. SHFT = shift - SHFTG = shifting)
-s to make it a verb or a plural form (ex. SHFTS)
-ed to make it a past perfect verb (ex. SHFTD)
-(l)y to make it an adverb (ex. ADV -> ADVY)
-ty to make it a noun (ex. ACTVTY = activity)
-bound to indicate a direction (ex. NBDN = northbound)
-ern to indicate a direction (ex. NRN)
-ward to indicate a direction (ex. NWD)

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Further notes  
+

-
used with precipitation and weather characteristics - indicates "severe" (ex. RA+ heavy rainfall)
used with precipitation and weather characteristics - indicates "light" (ex. RA- light rain)
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

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categories: Aircraft Parts - Abbreviations - Terms - Definitions - Meteorology - Pronunciation

 

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