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Common Weather Abbreviations
ANS
Answer
AO1
Automated
Reporting Station
AO2
Automated
Reporting Station
AOA
At or above
AOB
At or below
AP
Anomalous
Propagation
APCH
Approach
APCHG
Approaching
APCHS
Approaches
APLCN
Appalachian
APLCNS
Appalachians
APPR
Appear
APPRG
Appearing
APPRS
Appears
APRNT
Apparent
APRNTLY
Apparently
APRX
Approximate
APRXLY
Approximately
AR
Arkansas
ARL
Air Resources Lab
ARND
Around
ARPT
Airport
ASAP
As soon as possible
ASL
Above Sea Level
ASMD
As Amended
ASOS
Automated Surface
Observing System
ASSOCD
Associated
ASSOCN
Association
ATCT
Air Traffic Control
Tower
ATLC
Atlantic
ATTM
At this time
ATTN
Attention
AUTO
Automated report
AVBL
Available
AVG
Average
AVN
Aviation model
AWC
Aviation Weather
Center
Rev 2 Apr/2004
AWIPS
AWOS
AWT
AWW
AZ
AZM
B
BACLIN
BAJA
BATROP
BC
BCFG
BCH
BCKG
BCM
BCMG
BCMS
BD
BDA
BDRY
BECMG
BFDK
BFR
BGN
BGNG
BGNS
BHND
BINOVC
BKN
BL
BLD
BLDG
BLDS
BLDUP
BLKHLS
BLKT
BLKTG
B-2
Advanced Interactive
Weather Processing
System
Automated Weather
Observing system
Awaiting
Alert Weather Watch
Arizona
Azimuth
Began
Baroclinic
Baja, California
Barotropic
British Columbia or
patches (descriptor
used with FG)
Patchy fog
Beach
Backing
Become
Becoming
Becomes
Blowing dust
Bermuda
Boundary
Becoming
Before dark
Before
Begin
Beginning
Begins
Behind
Breaks in overcast
Broken
Blowing
Build
Building
Builds
Buildup
Black Hills
Blanket
Blanketing
KMD 250 Pilot's Guide
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