Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Hazardous Weather Conditions

Last Update: 327 AM AKST Mon Dec 18 2017

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Anchorage, AK Local Forecast Office

115NM W Saint Matthew Island AK

Marine Zone Forecast

...GALE WARNING THROUGH TUESDAY...

Synopsis: A 946 mb low 380 nm northwest of Shemya will move to the northern Bering Tue morning. An associated strong front in the central Aleutians will move over the eastern Aleutians and dissipate by Tue afternoon. A 992 mb low will move to 80 nm west of Shemya Tue morning, then move to 160 nm northeast of Shemya at 976 mb Wed morning.

Today
S wind 45 kt E of saint matthew island...S 35 kt W of saint matthew island. Seas 23 ft. Rain.
Tonight
S wind 40 kt. Seas 27 ft.
Tue
SW wind 40 kt. Seas 31 ft.
Tue Night
SW wind 35 kt. Seas 26 ft.
Wed
S wind 35 kt. Seas 27 ft.
Thu
SE wind 30 kt. Seas 22 ft.
Fri
E wind 25 kt. Seas 15 ft.
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ABOUT THIS FORECAST

Last Update: 327 AM AKST Mon Dec 18 2017
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