Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians.
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Hazardous Weather Conditions

Last Update: 330 PM AKDT Thu Aug 13 2020

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Anchorage, AK Local Forecast Office

51NM NW Atka AK

Marine Zone Forecast

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

Synopsis: A 1007 mb low 45 nm South of Cape Sarichef merges with a South Gulf of Alaska low for Fri afternoon. Its front moves across the Alaska Peninsula by Fri afternoon. A 992 mb North Pacific low moves to 245 nm West of Attu for Sat afternoon. Its front pushes into the Western Bering through Sat afternoon.

Tonight
Variable wind 10 kt. Seas 2 ft.
Fri
Variable wind 10 kt becoming E 15 kt in the afternoon. Seas 2 ft.
Fri Night
SE wind 20 kt increasing to 30 kt after midnight. Seas 6 ft. Patchy fog. Rain.
Sat
SE wind 35 kt. Seas 9 ft.
Sat Night
S wind 30 kt. Seas 10 ft.
Sun
SW wind 25 kt. Seas 5 ft.
Mon
SW wind 20 kt. Seas 7 ft.
Tue
W wind 15 kt. Seas 7 ft.
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ABOUT THIS FORECAST

Last Update: 330 PM AKDT Thu Aug 13 2020
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RADAR & SATELLITE IMAGES

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