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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 07:00 HKT on 25 Apr 17

TAF VHHH 242300Z 2500/2606 10010KT 7000 FEW015 SCT025 TX24/2506Z TX25/2606Z TN20/2523Z TEMPO 2500/2502 3000 SHRA FEW012CB SCT025 TEMPO 2502/2508 VRB20G30KT 2000 TSRA +SHRA FEW010 SCT020CB BKN040 TEMPO 2508/2510 16010KT 3000 SHRA FEW012CB SCT025 BECMG 2510/2512 18010KT TEMPO 2522/2602 3500 SHRA=

(Next update at: 13:00HKT 25/Apr/17)

Decoded TAF in plain language:-

Aerodrome forecast (TAF) valid between 00 UTC, 25 Apr 2017 and 06 UTC, 26 Apr 2017 issued by the Hong Kong Observatory :

Time Wind Visibility Weather Cloud Amount Cloud Base
Between 00 and 10 UTC, 25 Apr 2017 10 knots from 100 degrees (E) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
1500 feet
2500 feet
Temporarily between 00 and 02 UTC, 25 Apr 2017 10 knots from 100 degrees (E) 3000 m Moderate showers of rain
1 to 2 oktas Cumulonimbus
3 to 4 oktas
1200 feet
2500 feet
Temporarily between 02 and 08 UTC, 25 Apr 2017 20 knots, gusting to 30 knots direction variable 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
2000 feet
4000 feet
Temporarily between 08 and 10 UTC, 25 Apr 2017 10 knots from 160 degrees (SSE) 3000 m Moderate showers of rain
1 to 2 oktas Cumulonimbus
3 to 4 oktas
1200 feet
2500 feet
From 10 to 12 UTC, 25 Apr 2017, becoming 10 knots from 180 degrees (S) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
1500 feet
2500 feet
Temporarily between 22 UTC, 25 Apr 2017 and 02 UTC, 26 Apr 2017 10 knots from 180 degrees (S) 3500 m Moderate showers of rain
1 to 2 oktas
3 to 4 oktas
1500 feet
2500 feet

Time Temperature
06 UTC, 25 Apr 2017
Maximum24 oC
06 UTC, 26 Apr 2017
Maximum25 oC
23 UTC, 25 Apr 2017
Minimum20 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.
 
Aviation Weather Observation Information for Hong Kong International Airport Weather Forecast for Local Aviation
 
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