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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Last Update: 301 PM AKST Wed Dec 13 2017

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Anchorage, AK Local Forecast Office

15NM NW Hinchinbrook Island AK

Marine Zone Forecast


Synopsis: A 1004 mb low 360 nm southeast of Middleton Island moves 100 nm east of Middleton Island tonight at 1000 mb and then moves inland Thu morning. A second 996 mb low 350 nm south of Sitkinak weakens to a trough 200 nm east of Sitkinak Thu afternoon before moving inland Thu night. A front enters the western Gulf Thu afternoon and reaches the eastern Gulf Fri afternoon.

Tonight
E wind 20 kt diminishing to variable wind less than 10 kt by midnight. Seas 4 ft subsiding to 2 ft.
Thu
Variable wind less than 10 kt. Seas 2 ft.
Thu Night
Variable wind less than 10 kt. Seas 2 ft.
Fri
E wind 20 kt. Seas 4 ft.
Fri Night
E wind 25 kt. Seas 4 ft.
Sat
E wind 15 kt. Seas 3 ft.
Sun Through Mon
N wind 10 kt. Seas 2 ft.
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ABOUT THIS FORECAST

Last Update: 301 PM AKST Wed Dec 13 2017
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