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Aerodrome Forecast (TAF)
TAF is a description of the meteorological elements expected at an airport for a forecast period.
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The latest Aerodrome Forecast at the Hong Kong International Airport issued by the Hong Kong Observatory at 23:52 HKT on 25 Jul 08
TAF
VHHH 1818 20005KT 9999 FEW030 BECMG 0103 27010KT BECMG 1012 20005KT TX35/07Z TN26/22Z=
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Decoded TAF in plain language:- Aerodrome forecast (TAF) valid between 18 UTC, 25 Jul 2008 and 18 UTC, 26 Jul 2008
issued by the Hong Kong Observatory :
| Time |
Wind |
Visibility |
Weather |
Cloud Amount |
Cloud Base |
| Between 18 UTC, 25 Jul 2008 and 01 UTC, 26 Jul 2008 |
5 knots from 200 degrees (SSW)
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10 km or above |
No significant weather |
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| From 01 to 03 UTC, 26 Jul 2008, becoming |
10 knots from 270 degrees (W)
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10 km or above |
No significant weather |
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| From 10 to 12 UTC, 26 Jul 2008, becoming |
5 knots from 200 degrees (SSW)
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10 km or above |
No significant weather |
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| Time | Temperature |
| 07 UTC | |
| 22 UTC | |
| 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. |
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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. |
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Aviation Weather 
