TAF short and long
Nemo Me Impune Lacessit
Join Date: Jun 2004
Location: Derbyshire, England.
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Well, a TAF is a Terminal Area Forecast of the weather, it covers a set period of time and gives wind direction and strength, any gusts, cloud cover, precipitation, temperature, visibility etc. and it will also give any expected trends or changes that are significant as well as any temporary aspects of the weather like fog and the possibility of it occuring, usually expressed as a percentage.
Not sure about the Long and Short form though.
Not sure about the Long and Short form though.
Join Date: May 2005
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Not wishing to be rude, but... three years on, three hundred posts, countless vociferous opinions on all sorts of things aviation related (mainly incidents/accidents)... and we're asking such an elementary question? 
For the benefit of those who actually have a use for it, the answer is in Annex III of the Chicago Convention, as one would expect.
For the benefit of those who actually have a use for it, the answer is in Annex III of the Chicago Convention, as one would expect.
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TAF Short and Long - all about the period of validity, eg:
LONDON HEATHROW - EGLL - LHR FC: TAF EGLL 270307Z 270413 25008KT CAVOK=
FT: TAF EGLL 270442Z 271212 VRB05KT CAVOK
BECMG 0205 7000
TEMPO 0610 4000 BR
BECMG 0710 6000 -RA BKN040=
FC = short TAF, valid, in this example today (27) from 0400 to 1300Z (0413); FT = long TAF, valid 1200 on 27th to 1200 on 28th (271212).
LONDON HEATHROW - EGLL - LHR FC: TAF EGLL 270307Z 270413 25008KT CAVOK=
FT: TAF EGLL 270442Z 271212 VRB05KT CAVOK
BECMG 0205 7000
TEMPO 0610 4000 BR
BECMG 0710 6000 -RA BKN040=
FC = short TAF, valid, in this example today (27) from 0400 to 1300Z (0413); FT = long TAF, valid 1200 on 27th to 1200 on 28th (271212).
As another example, one I was using about an hour ago....(and not what I wanted to see, with a runway that's 14/32, but that's another story)
METAR: EGNM 291650Z 23022G33KT 200V270 3500 -RA FEW003 BKN005 09/08 Q0992
short-TAF: EGNM 291511Z 291601 23028G43KT 9999 SCT012 BKN020 TEMPO 1620 3000 RADZ BKN007 BECMG 1719 26030G45KT TEMPO 1701 27035G55KT 7000 SHRA BKN010
long-TAF: EGNM 291607Z 010024 27025G40KT 9999 SCT015 TEMPO 0006 28035G50KT PROB30 TEMPO 0009 6000 SHRA BKN010 BECMG 1114 27020G30KT BECMG BECMG 1518 23012KT TEMPO 1622 4000 -RADZ BKN008 BECMG 2124 26017G28KT
Credit and probably copyright to:
http://en.allmetsat.com/metar-taf/un....php?icao=EGNM
METAR: EGNM 291650Z 23022G33KT 200V270 3500 -RA FEW003 BKN005 09/08 Q0992
short-TAF: EGNM 291511Z 291601 23028G43KT 9999 SCT012 BKN020 TEMPO 1620 3000 RADZ BKN007 BECMG 1719 26030G45KT TEMPO 1701 27035G55KT 7000 SHRA BKN010
long-TAF: EGNM 291607Z 010024 27025G40KT 9999 SCT015 TEMPO 0006 28035G50KT PROB30 TEMPO 0009 6000 SHRA BKN010 BECMG 1114 27020G30KT BECMG BECMG 1518 23012KT TEMPO 1622 4000 -RADZ BKN008 BECMG 2124 26017G28KT
Credit and probably copyright to:
http://en.allmetsat.com/metar-taf/un....php?icao=EGNM
Last edited by old,not bold; 29th Feb 2008 at 16:40.
