Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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Hazardous Weather Conditions

Last Update: 334 PM AKST Tue Nov 21 2017

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Anchorage, AK Local Forecast Office

18NM SE Shemya AK

Marine Zone Forecast

...GALE WARNING THROUGH WEDNESDAY...

Synopsis: A 999 mb low 180 nm West of Attu moves over the Yukon Delta at 968 mb Wed night then shifts to 110 nm South of Kodiak City at 983 mb Thu afternoon. The associated front pushes across the Bering and over the Alaska Peninsula by Thu afternoon. High pressure edges into the Central Aleutians by Thu afternoon.

Tonight
W wind 40 kt. Seas 15 ft.
Wed
NW wind 40 kt diminishing to 30 kt in the afternoon. Seas 15 ft.
Wed Night
NW wind 25 kt. Seas 13 ft.
Thu
S wind 30 kt. Seas 10 ft.
Thu Night
S wind 35 kt. Seas 12 ft.
Fri
S wind 35 kt. Seas 18 ft.
Sat
SW wind 30 kt. Seas 16 ft.
Sun
W wind 25 kt. Seas 20 ft.
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ABOUT THIS FORECAST

Last Update: 334 PM AKST Tue Nov 21 2017
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