B-24
Revision 2 Nov/2002
KMD 550/850 FIS Addendum
Appendix B
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
VR Veer
VRB
Variable
VRG Veering
VRBL Variable
VRISL Vancouver
Island,
BC
VRS Veers
VRT MOTN
Vertical motion
VRY Very
VSB Visible
VSBY Visibility
VSBYDR Visibility
decreasing
rapidly
VSBYIR Visibility
increasing
rapidly
VT Vermont
VV
Vertical velocity or
vertical visibility
W West
WA Washington
WAA
Warm air advection
WAFS
Word Area Forecast
System
WBND Westbound
WDLY Widely
WDSPRD Widespread
WEA Weather
WFO Weather
Forecast
Office
WFSO Weather
Forecast
Service Office
WFP
Warm front passage
WI Wisconsin
WIBIS
Will be issued
Appendix B R2 11/21/02 5:32 PM Page 24