Met 3 Flashcards
What is METAR?
Meteorological aviation report
What is SPECI?
Aviation special weather report
SPECIB for weather improvement
SPECIM for weather deterioration
How is surface wind displayed on a met form?
Degrees followed by knots eg 22015KT
Gusts are reported along the above eg 22015G22KT
How is visibility reported on a met form?
Reported in metres eg 2000 is 2000 metres
What does UP stand for?
Unidentified precipitation
What is VV/// on a met form?
Vertical visibility is not available, sky obstructed
What does CAVOK mean?
Cloud and visibility okay
How is QNH displayed on a met form?
Q1002, if QNH is 1002.9 always round down.
What does TAF stand for?
Terminal Aerodrome Forecast
When are TAFs issued?
Routinely every 3hrs whilst the airfield is open.
How is time presented on a TAF
0621/0708
21:00 on the 6th until 08:00 on the 7th
What does TEMPO and BECMG mean?
Temporarily and Becoming
What does NSW mean?
No significant weather