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VAAC
Volcanic Ash
Advisory Center
VAAS
Volcanic Ash
Advisory Statement
VAL
Valley
VARN
Variation
VC
Vicinity
VCNTY
Vicinity
VCOT
VFR conditions on
top
VCTR
Vector
VFR
Visual flight rules
VFY
Verify
VFYD
Verified
VFYG
Verifying
VFYS
Verifies
VHF
Very High
Frequency
VIS
Visibility
VSNO
Visibility at sec-
ondary location not
availble
VLCTY
Velocity
VLCTYS
Velocities
VLNT
Violent
VLNTLY
Violently
VMC
Visual meteorolog-
ical conditions
VOL
Volume
VOR
VHF
Omnidirectional
Radio Range
VORT
Vorticity
VORTAC
VOR and TACAN
combination
Revision 2 Nov/2002
VR
VRB
VRG
VRBL
VRISL
VRS
VRT MOTN
VRY
VSB
VSBY
VSBYDR
VSBYIR
VT
VV
W
WA
WAA
WAFS
WBND
WDLY
WDSPRD
WEA
WFO
WFSO
WFP
WI
WIBIS
KMD 550/850 FIS Addendum
B-24
Veer
Variable
Veering
Variable
Vancouver Island,
BC
Veers
Vertical motion
Very
Visible
Visibility
Visibility decreasing
rapidly
Visibility increasing
rapidly
Vermont
Vertical velocity or
vertical visibility
West
Washington
Warm air advection
Word Area Forecast
System
Westbound
Widely
Widespread
Weather
Weather Forecast
Office
Weather Forecast
Service Office
Warm front passage
Wisconsin
Will be issued
Appendix B
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