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: 930 PM CST Tue Dec 12 2017

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12NM NW New Orleans LA

Marine Zone Forecast


Synopsis: High pressure will settle into the north gulf tonight then begin to move east through the week. A low pressure system is expected to develop along the west gulf coast and move into central Louisiana Sunday, with associated cold front moving through the north gulf Sunday night.

Rest Of Tonight
Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday
East winds near 5 knots becoming south late in the morning, then becoming southwest 5 to 10 knots in the afternoon. waves less than 1 foot building to 1 to 2 feet. Dominant period 4 seconds.
Wednesday Night
West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday
West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Thursday Night
North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday
Northwest winds 10 to 15 knots. Waves 2 to 3 feet. Dominant period 4 seconds.
Friday Night
North winds 10 to 15 knots becoming northeast 5 to 10 knots after midnight. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday
Southeast winds 5 to 10 knots. Waves 1 foot or less.
Saturday Night
Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Slight chance of showers.
Sunday
South winds near 10 knots. Waves 1 to 2 feet. Showers and thunderstorms likely.
Sunday Night
Southwest winds near 10 knots becoming west after midnight. Waves 1 to 2 feet. Chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 930 PM CST Tue Dec 12 2017
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