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.
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Hazardous Weather Conditions

Last Update: 359 AM AKST Mon Feb 19 2018

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Anchorage, AK Local Forecast Office

71NM NNE Seguam Island AK

Marine Zone Forecast

...GALE WARNING TODAY AND TUESDAY...

Synopsis: A 959 mb low 250 nm north of Shemya 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 280 nm south of Shemya tonight moves 225 nm northeast of Shemya Tue night at 997 mb while the associated front moves over the eastern Bering.

Today
SW wind 35 kt diminishing to 25 kt in the afternoon. Seas 19 ft.
Tonight
SW wind 20 kt. Seas 14 ft.
Tue
SE wind 40 kt. Seas 15 ft. Rain.
Tue Night
S wind 30 kt. Seas 14 ft.
Wed
SW wind 35 kt. Seas 14 ft.
Thu
SE wind 25 kt. Seas 10 ft.
Fri
SW wind 30 kt. Seas 13 ft.
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ABOUT THIS FORECAST

Last Update: 359 AM AKST Mon Feb 19 2018
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