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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: Mar 19, 2018 3:30 PM HST

A surface high far N of the area will maintain NE surface flow over the main Hawaiian Islands. These NE winds will continue to push showery low clouds from the trailing end of a front over the islands. MVFR ceilings will likely be extensive enough to require AIRMET SIERRA for MTN OBSC to remain up throughout the night for NE sections of most islands.

A sharp short-wave trough aloft is enhancing shower activity over the islands today. Isolated thunderstorms have already developed over the Big Island interior and waters west of the Big Island and south of Maui. Thunderstorm activity will likely continue into the evening hours but taper off after midnight.

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