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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 30 Mar 17

TAF VHHH 292300Z 3000/3106 11010KT 7000 FEW015 SCT025 TX27/3006Z TX26/3104Z TN22/3023Z TEMPO 3020/3104 VRB05KT 2500 BR -RA TEMPO 3104/3106 33010KT 3000 SHRA FEW008CB=

(Next update at: 13:00HKT 30/Mar/17)

Decoded TAF in plain language:-

Aerodrome forecast (TAF) valid between 00 UTC, 30 Mar 2017 and 06 UTC, 31 Mar 2017 issued by the Hong Kong Observatory :

Time Wind Visibility Weather Cloud Amount Cloud Base
Between 00, 30 Mar 2017 and 06 UTC, 31 Mar 2017 10 knots from 110 degrees (ESE) 7 km No significant weather
1 to 2 oktas
3 to 4 oktas
1500 feet
2500 feet
Temporarily between 20 UTC, 30 Mar 2017 and 04 UTC, 31 Mar 2017 5 knots direction variable 2500 m Mist, Light Rain
1 to 2 oktas
3 to 4 oktas
1500 feet
2500 feet
Temporarily between 04 and 06 UTC, 31 Mar 2017 10 knots from 330 degrees (NNW) 3000 m Moderate showers of rain
1 to 2 oktas Cumulonimbus
800 feet

Time Temperature
06 UTC, 30 Mar 2017
Maximum27 oC
04 UTC, 31 Mar 2017
Maximum26 oC
23 UTC, 30 Mar 2017
Minimum22 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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