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Aerodrome Forecast (TAF)

TAF is a description of the meteorological elements expected at an airport for a forecast period.

The latest Aerodrome Forecast at the Hong Kong International Airport issued by the Hong Kong Observatory at 19:00 HKT on 02 Sep 10

TAF VHHH 021100Z 0212/0318 29010KT 7000 FEW025 SCT040 BKN060 TX31/0212Z TN26/0222Z TEMPO 0212/0214 30020G35KT 2000 TSRA +SHRA FEW010 SCT015CB BKN050 TEMPO 0214/0218 3500 SHRA FEW010 SCT020CB BKN050 BECMG 0218/0220 23015KT TEMPO 0218/0306 24025G35KT 2000 TSRA +SHRA FEW010 SCT015CB BKN050 BECMG 0304/0306 17015KT TEMPO 0306/0318 3500 SHRA FEW010 SCT015CB BKN050=

Decoded TAF in plain language:-

Aerodrome forecast (TAF) valid between 12 UTC, 02 Sep 2010 and 18 UTC, 03 Sep 2010 issued by the Hong Kong Observatory :

Time Wind Visibility Weather Cloud Amount Cloud Base
Between 12 and 18 UTC, 02 Sep 2010 10 knots from 290 degrees (WNW) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
5 to 7 oktas
2500 feet
4000 feet
6000 feet
Temporarily between 12 and 14 UTC, 02 Sep 2010 20 knots, gusting to 35 knots from 300 degrees (WNW) 2000 m Thunderstorm with moderate rain, Heavy showers of rain
1 to 2 oktas
3 to 4 oktas Cumulonimbus
5 to 7 oktas
1000 feet
1500 feet
5000 feet
Temporarily between 14 and 18 UTC, 02 Sep 2010 10 knots from 290 degrees (WNW) 3500 m Moderate showers of rain
1 to 2 oktas
3 to 4 oktas Cumulonimbus
5 to 7 oktas
1000 feet
2000 feet
5000 feet
From 18 to 20 UTC, 02 Sep 2010, becoming 15 knots from 230 degrees (SW) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
5 to 7 oktas
2500 feet
4000 feet
6000 feet
Temporarily between 18 UTC, 02 Sep 2010 and 06 UTC, 03 Sep 2010 25 knots, gusting to 35 knots from 240 degrees (WSW) 2000 m Thunderstorm with moderate rain, Heavy showers of rain
1 to 2 oktas
3 to 4 oktas Cumulonimbus
5 to 7 oktas
1000 feet
1500 feet
5000 feet
From 04 to 06 UTC, 03 Sep 2010, becoming 15 knots from 170 degrees (S) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
5 to 7 oktas
2500 feet
4000 feet
6000 feet
Temporarily between 06 and 18 UTC, 03 Sep 2010 15 knots from 170 degrees (S) 3500 m Moderate showers of rain
1 to 2 oktas
3 to 4 oktas Cumulonimbus
5 to 7 oktas
1000 feet
1500 feet
5000 feet

Time Temperature
12 UTC, 02 Sep 2010
Maximum31 oC
22 UTC, 02 Sep 2010
Minimum26 oC

okta(s): the international unit for reporting cloud amount. Cloud amount is assessed in total which is the estimated total apparent area of the sky covered with cloud.
  1 okta is one-eighth of sky covered with cloud. 0 okta = sky clear, 1-2 oktas = few, 3-4 oktas = scattered, 5-7 oktas = broken and 8 oktas = overcast.
To know more about the TAF code, please see Decoding TAF.
To know more about clouds, please see Commonly observed clouds in Hong Kong.
 
link list square Aviation Weather Observation Information for Hong Kong International Airport link list square Weather Forecast for Local Aviation
 
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