Severe Thunderstorms And Heavy Rain Over Portions Of Plains, Mid Atlantic On Friday

Scattered strong-to-severe thunderstorms are possible from the Mid-Missouri Valley into the central Plains on Friday. Also, a few strong-to-severe storms are possible from the Mid-Atlantic into Upstate New York and western New England. Storms in these areas will also be capable of producing torrential rainfall that could lead to isolated flash flooding.
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Last Update: 1207 PM EDT Fri Aug 18 2017

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Philadelphia, PA Local Forecast Office

26NM S New York NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

Synopsis: A cold front will approach from the west and move through the region tonight into early Saturday. High pressure returns Sunday through Tuesday. Another cold front will cross the region on Wednesday followed by high pressure for the end of the week.

This Afternoon
S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Mainly in E swell with a dominant period of 8 seconds. A slight chance of showers and tstms.
Tonight
S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Mainly in SE swell with a dominant period of 7 seconds. a chance of showers and tstms early in the evening, then showers and tstms likely late in the evening. A chance of showers and tstms after midnight.
Sat
W winds 5 to 10 kt with gusts up to 15 kt. Seas 3 to 4 ft. Mainly in SE swell with a dominant period of 6 seconds.
Sat Night
W winds 5 to 10 kt with gusts up to 15 kt. Seas around 3 ft until early morning, then 2 ft or less. Mainly in SE swell with a dominant period of 6 seconds.
Sun
W winds around 5 kt, becoming S in the afternoon. Seas 2 ft or less.
Sun Night
SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft or less.
Mon
W winds around 5 kt, becoming S in the afternoon. Seas 2 ft or less.
Mon Night
SW winds 5 to 10 kt. Seas 2 ft or less.
Tue
SW winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 ft or less, then around 3 ft in the afternoon.
Tue Night
SW winds 10 to 15 kt. Seas around 3 ft. A chance of showers and tstms. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 1207 PM EDT Fri Aug 18 2017
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