Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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Hazardous Weather Conditions

Last Update: 727 PM AKST Tue Dec 12 2017

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Anchorage, AK Local Forecast Office

21NM SSE Chiswell Islands AK

Marine Zone Forecast

...GALE WARNING TONIGHT...

Synopsis: A 991 mb low 400 nm southeast of Chignik will move over Kodiak Island Tue night then move inland and dissipate over Bristol Bay Wed morning. A front in the western Gulf will move into the northeastern Gulf Wed morning then move into the eastern Gulf Wed afternoon.

Tonight
E wind 25 kt in the evening increasing to 35 kt. Seas 18 ft. Rain.
Wed
SE wind 30 kt becoming S 20 kt in the afternoon. Seas 18 ft. Rain.
Wed Night
S wind 15 kt. Seas 13 ft.
Thu
Variable wind 10 kt. Seas 10 ft.
Thu Night
S wind 15 kt. Seas 11 ft.
Fri
SE wind 30 kt. Seas 15 ft.
Sat
S wind 20 kt. Seas 15 ft.
Sun
NW wind 15 kt. Seas 12 ft.
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ABOUT THIS FORECAST

Last Update: 727 PM AKST Tue Dec 12 2017
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RADAR & SATELLITE IMAGES

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