Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east.

Hazardous Weather Conditions

Last Update: 405 AM AKST Mon Feb 19 2018

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Anchorage, AK Local Forecast Office

123NM NNW Cape Sarichef AK

Marine Zone Forecast


Synopsis: A 959 mb low at 57N 173E moves over the Gulf of Anadyr this evening at 968 mb. The associated front lifts over the central Bering Tue afternoon. A 993 mb low at 48N 176E tonight moves to 54N 179E Tue night at 997 mb while the associated front moves over the eastern Bering.

S wind 30 to 40 kt becoming SW 20 to 30 kt in the afternoon. Seas 13 to 21 ft.
SW wind 15 to 30 kt. Seas 10 to 16 ft.
S wind 10 to 25 kt becoming SE 20 to 30 kt in the afternoon. Seas 9 to 16 ft. Rain.
Tue Night
S wind 30 kt. Seas 10 to 15 ft.
Wed Through Fri
S wind 20 to 35 kt. Seas 8 to 13 ft.
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Last Update: 405 AM AKST Mon Feb 19 2018
  Forecast Discussion


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