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For the immediate Hawai`i area, products issued are Terminal Aerodrome Forecasts (TAFs), area forecasts, upper level wind and temperature forecasts, and AIRMETs (AIR pilots METeorological information) for low clouds, turbulence, and icing. In addition, the Honolulu forecast office is an aviation Meteorological Watch Office that covers approximately 8,650,800 square miles. See Aviation Area Map.

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Aviation section from the Area Forecast Discussion
issued at: Nov 20, 2014 10:00 AM HST

Moderate to fresh trade winds will continue through the day. Trades are expected to begin to ease gradually tonight into Saturday as a front far to the NW approaches the area. Currently, airmet tango for low level turb remains posted.

Airmet sierra for mtn obsc has been expanded to include areas from Upolu Point to Cape Kumukahi to South Point. Enhanced moisture and a surface trough have allowed for increased shower activity over the eastern half of the Big Island. Windward Maui is likely to see similar conditions later today, and an airmet will be issued as needed. Tops are reaching 10 kft with TCU tops between 15 and 25 kft. These showers are likely to carry periods of MVFR. Additionally, the potential for isol thunderstorms remains over SE coastal waters of the Big Island through early afternoon. This morning, isol thunderstorms over the SE waters were carrying CB tops to fl380. The potential for isol thunderstorms over the Kau district arises this afternoon, with activity diminishing with sunset. Leeward Big Island is likely to see afternoon cloud build ups with the possibility of TCU tops above 15 kft and some enhanced showers. These conditions will also diminish with sunset.

On the other islands, VFR conditions will prevail. Brief MVFR conditions are possible in showers, mainly over windward and mauka area.


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