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: 348 AM AKST Wed Dec 13 2017

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Anchorage, AK Local Forecast Office

71NM NNE Seguam Island AK

Marine Zone Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

Synopsis: A trough of low pressure over the eastern Bering weakens through tonight. A front in the western Bering will move east and move inland over Southwest Alaska through Fri morning. A 975 mb low 290 nm west of Shemya Thu morning will move to 150 nm north of Dutch Harbor at 965 mb by Fri morning.

Today
Variable wind 10 kt becoming SE 20 kt in the afternoon. Seas 9 ft.
Tonight
SE wind 30 kt. Seas 8 ft.
Thu
SE wind 30 kt. Seas 9 ft.
Thu Night
SW wind 30 kt. Seas 16 ft.
Fri Through Sat
NW wind 30 kt. Seas 18 ft.
Sun
SW wind 40 kt. Seas 20 ft.
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ABOUT THIS FORECAST

Last Update: 348 AM AKST Wed Dec 13 2017
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RADAR & SATELLITE IMAGES

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