Hawaii Aviation Products

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: Apr 30, 2017 10:39 AM HST

A compact but rather strong mid to upper level dropping southward over Kauai will produce widespread MVFR conditions across the eastern half of the island chain through much of the day. The greatest amount of moisture is focused over the Big Island and Maui, where isolated thunderstorms are are moving up from the south. AIRMET Sierra for mountain obscuration will remain in effect for the Big Island and Maui County through the day and likely into tonight for some areas. A shield of mid level level clouds with bases around 080 will continue to generate light to moderate rain over Oahu through much of the day. AIRMET Sierra of mountain obscuration does not extend to Oahu, though we will closely monitor through the day. On Kauai, only isolated MVFR conditions are expected.

The low is also producing areas of turbulence. Moderate to isolated severe turbulence above FL240 is expected along the western and northern flank of the upper low today, including over and around Kauai. Moderate low to mid level turbulence will occur across the rest of the island chain, in addition to areas of icing.


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