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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 19:04 HKT on 04 Jul 09
TAF
VHHH 0412/0518 18010KT 9999 FEW015 SCT030 BKN080 TX31/0507Z TN27/0422Z TEMPO 0412/0418 24015KT 3500 SHRA FEW008CB SCT012 BKN040 TEMPO 0421/0503 24015KT 3000 SHRA FEW008CB SCT012 BKN040=
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Decoded TAF in plain language:- Aerodrome forecast (TAF) valid between 12 UTC, 04 Jul 2009 and 18 UTC, 05 Jul 2009
issued by the Hong Kong Observatory :
| Time |
Wind |
Visibility |
Weather |
Cloud Amount |
Cloud Base |
| Between 12, 04 Jul 2009 and 18 UTC, 05 Jul 2009 |
10 knots from 180 degrees (S)
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10 km or above |
No significant weather |
|
| 1500 feet |
| 3000 feet |
| 8000 feet |
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| Temporarily between 12 and 18 UTC, 04 Jul 2009 |
15 knots from 240 degrees (WSW)
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3500 m |
Moderate showers of rain |
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| 800 feet |
| 1200 feet |
| 4000 feet |
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| Temporarily between 21 UTC, 04 Jul 2009 and 03 UTC, 05 Jul 2009 |
15 knots from 240 degrees (WSW)
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3000 m |
Moderate showers of rain |
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| 800 feet |
| 1200 feet |
| 4000 feet |
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| Time | Temperature |
| 07 UTC, 05 Jul 2009 | |
| 22 UTC, 04 Jul 2009 | |
| 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 
