Widespread, Significant Severe Storms; Blistering Heat; Persistent Monsoon and Fire Weather Threats

A swath of severe weather is forecast from the Middle South to the Great Lakes. Very large hail, significant damaging winds, and tornadoes will be possible; especially; from northwestern Tennessee to southwestern Ohio. The south-central U.S. remains excessively hot, with Heat Indices over 110 degrees. Monsoon moisture continues threats of local flash floods, and dry thunderstorms in the west.

Last Update: 338 AM AKDT Fri Jul 20 2018

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Anchorage, AK Local Forecast Office

85NM ESE Seguam Island AK

Marine Zone Forecast

Synopsis: A 1001 mb low 300 nm north of Shemya will move to 410 nm north of Shemya at 1000 mb by Sat morning and then to 260 nm northeast of Shemya by Sun morning. A front will move over the central Aleutians through Sat morning.

S wind 15 kt. Seas 5 ft. Patchy fog. Rain.
SW wind 15 kt in the evening becoming variable 10 kt. seas 6 ft. Rain.
Variable wind 10 kt. Seas 6 ft.
Sat Night
W wind 15 kt. Seas 6 ft.
Sun Through Tue
NW wind 15 kt. Seas 6 ft.
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Last Update: 338 AM AKDT Fri Jul 20 2018
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