Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South.
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Last Update: 1219 PM EST Wed Feb 20 2019

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Philadelphia, PA Local Forecast Office

11NM NW Fenwick Island Buoy DE

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
Synopsis: A complex area of low pressure and frontal system will move north through the eastern United States bringing the area a mix of wintry precipitation today into tonight. High pressure will build into the area for Thursday and Friday. Strong low pressure moving across the Great Lakes should bring mostly rain to the region for much of Saturday and Sunday. High pressure is forecast to return early next week.

This Afternoon
E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 ft or less, then around 3 ft early. Swell mainly from the E with a dominant period of 4 seconds. Sleet early. Snow and rain. Vsby 1 to 3 nm.
Tonight
SE winds 10 to 15 kt, becoming SW after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the E with a dominant period of 5 seconds, becoming mainly from the SE with a dominant period of 7 seconds after midnight. Rain.
Thu
W winds 10 to 15 kt. Gusts up to 20 kt early in the morning, then 20 kt in the afternoon. Seas 4 to 6 ft. Swell mainly from the SE with a dominant period of 8 seconds. rain likely early in the morning.
Thu Night
NW winds 10 to 15 kt. Gusts up to 20 kt in the late evening and overnight. Seas 3 to 4 ft. Swell mainly from the SE with a dominant period of 8 seconds.
Fri
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Fri Night
N winds around 5 kt, becoming NE after midnight. Seas 2 ft or less.
Sat
E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 ft or less. A chance of rain in the morning, then rain in the afternoon.
Sat Night
SE winds 10 to 15 kt, becoming S after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. Rain.
Sun
SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Rain likely, mainly in the morning.
Sun Night
W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft.
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Last Update: 1219 PM EST Wed Feb 20 2019
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