What is VV Metar?
VV. Vertical Visibility (Indefinite Ceiling) WS. Wind shear (In TAFs, low level and not associated with convective activity)
What is AMD TAF?
There are two types of TAF reports, a routine forecast, TAF, and an amended forecast, TAF AMD. An amended TAF is issued when the current TAF no longer adequately describes the ongoing weather or the forecaster feels the TAF is not representative of the current or expected weather.
What is VC in TAF?
“VC” = Vicinity, but not at aerodrome. In the US METAR, 5 to 10 SM from the point of observation. In the US TAF, 5 to 10 SM from the center of the runway complex. – NWS TAFs exclude BECMG groups and temperature forecasts, NWS TAFS do not use PROB in the first 9 hours of a TAF; NWS METARs exclude trend forecasts.
What does speci mean in a TAF?
Special Meteorological Report
SPECI (Special Meteorological Report) is a spe- cial aerodrome weather report issued only when meteorological parameters meet specific criteria. TTF (Trend Forecast) is a three hour trend forecast appended to some METAR/SPECI. It supersedes the TAF for its period of validity.
Is vv a ceiling?
The letters “VV” (vertical visibility) are used to designate an indefinite ceiling.
What is TAF in aviation?
The Terminal Area Forecast ( TAF ) is the official FAA forecast of aviation activity for U.S. airports. It contains active airports in the National Plan of Integrated Airport Systems ( NPIAS ) including FAA-towered airports, Federal contract-towered airports, non-federal towered airports, and non-towered airports.
Is TAF in Zulu time?
A “Z” follows the date and time grouping to remind pilots that like other aviation times, the time listed in the TAF is in UTC, or “Zulu” time, not local time.
What is VV in aviation?
VV – Vertical Visibility, indefinite ceiling.
What does 9999 mean in aviation?
9999. This value represents a visibility greater than 9000. meters (7 SM or more). The contraction CAVOK (ceiling and visibility OK) may be used when there is no significant weather, the visibility is 10 km or greater, and the ceilings are greater than 5,000 ft.
