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: Dec 07, 2016 3:32 PM HST
Clouds have filled in across interior portions of the islands. Ceilings are generally VFR with occasional MVFR conditions in showers. With generally light east-southeast low-level flow, afternoon showers are favoring northwest sections of the islands where convergence along sea breezes is maximized. A band of moisture associated with the surface trough near the Big Island will lead to more widespread MVFR conditions across windward and southeast sections. An AIRMET is in effect due to persistent lower ceilings. Brief IFR conditions in heavier showers are also possible before conditions start to improve later in the evening. Another cloud band may develop over the western half of the state late tonight/early Thursday, with the potential for more widespread MVFR ceilings and embedded heavier showers.
A southwesterly upper level jet will bring increasingly thick mid/high level clouds. There have been a few reports of moderate high-level turbulence north of the state associated with this jet. We are starting to see an increase in transverse bands near the islands, and have issued an AIRMET for high level turbulence. There may be a threat of icing overnight as the mid-level clouds thicken, and this will bear watching for AIRMET potential as well.
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- Wind and Temperature Aloft Forecast for other Pacific locations
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- AIRMETs for IFR conditions, turbulence, and icing
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