A Slight Risk of Severe Thunderstorms into Tonight

Severe thunderstorms may develop and move southeastward this evening and tonight across parts of the north-central Plains and Upper Midwest, offering damaging wind, severe hail and the risk of a few tornadoes. A few thunderstorms may drop hail and damaging gusts near severe levels in New England.
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Last Update: 1051 AM EDT SAT AUG 1 2015

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Philadelphia, PA Local Forecast Office

26NM S New York NY

Marine Zone Forecast


Synopsis: A WEAKENING COLD FRONT WILL MOVE ACROSS THE REGION TODAY, FOLLOWED BY HIGH PRESSURE INFLUENCING THE MID ATLANTIC STATES ON SUNDAY. THE NEXT COLD FRONT IS EXPECTED TO CROSS OUR REGION LATE MONDAY INTO EARLY TUESDAY, EVENTUALLY STALLING OFFSHORE TO OUR SOUTHEAST INTO WEDNESDAY AND THURSDAY.

Rest Of Today
SW winds 10 to 15 kt. Seas 3 to 4 ft. Mainly in S swell with a dominant period of 9 seconds. Isolated showers and tstms late.
Tonight
SW winds 10 to 15 kt with gusts up to 20 kt...becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Mainly in S swell with a dominant period of 8 seconds.
Sun
W winds 5 to 10 kt...becoming S in the afternoon. Seas 2 to 3 ft. Mainly in SE swell with a dominant period of 10 seconds.
Sun Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Mainly in SE swell with a dominant period of 11 seconds.
Mon
S winds 10 to 15 kt...increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft.
Mon Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Tue
W winds 10 to 15 kt. Seas 3 to 5 ft.
Tue Night
W winds 10 to 15 kt. Seas 3 to 5 ft.
Wed
W winds 5 to 10 kt...becoming SW in the afternoon. Seas 2 to 4 ft.
Wed Night
W winds 5 to 10 kt...becoming N after midnight. Seas 2 to 3 ft. Scattered showers. 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: 1051 AM EDT SAT AUG 1 2015
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