Storm Moving Through the Upper Midwest to the Northeast

Heavy rain and the potential for strong thunderstorms along and east of the Appalachians will precede a cold front, while snow showers will fall behind the front in the Ohio Valley, Upper Midwest and Great Lake States. Rain-on-snow flooding is possible in portions of New England and New York State. Rain and high elevation snow will return to the west.
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Last Update: 257 PM EST SAT FEB 25 2017

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Philadelphia, PA Local Forecast Office

26NM S New York NY

Marine Zone Forecast


...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
Synopsis: IN THE WAKE OF THE STRONG COLD FRONT MOVING THROUGH OUR REGION SATURDAY AFTERNOON, COOLER AIR WILL SETTLE IN OVER THE REGION. HIGH PRESSURE THEN BUILDS SOUTH OF THE REGION ON SUNDAY BEFORE MOVING OFFSHORE ON MONDAY. LOW PRESSURE APPROACHING FROM THE WEST WILL LIFT A WARM FRONT THROUGH THE REGION ON TUESDAY. THE AFOREMENTIONED LOW WILL PROPAGATE FROM THE GREAT LAKES REGION INTO EASTERN CANADA. THE ASSOCIATED COLD FRONT WILL MOVE THROUGH WEDNESDAY NIGHT OR THURSDAY. A QUICK MOVING LOW PRESSURE SYSTEM WILL SLIDE OVER THE MID ATLANTIC AT THE END OF THE WEEK.

Tonight
SW winds around 15 kt with gusts up to 20 kt... Becoming W with gusts up to 25 kt late this evening...then becoming NW 20 to 25 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Mainly in SE swell with a dominant period of 10 seconds. Widespread showers with isolated tstms this evening...then a slight chance of showers after midnight.
Sun
W winds 20 to 25 kt...diminishing to 15 to 20 kt late. Seas 4 to 6 ft. Mainly in SE swell with a dominant period of 9 seconds.
Sun Night
W winds 15 to 20 kt...becoming SW 10 to 15 kt in the late evening and overnight. Seas 2 to 4 ft. Mainly in SE swell with a dominant period of 9 seconds.
Mon
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Mainly in SE swell with a dominant period of 9 seconds.
Mon Night
SW winds 10 to 15 kt with gusts up to 20 kt... Becoming S 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of rain after midnight.
Tue
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
Tue Night
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
Wed
SW winds 10 to 15 kt. Seas 3 to 5 ft... Building to 4 to 7 ft in the afternoon. A chance of showers.
Wed Night
SW winds 10 to 15 kt...increasing to 15 to 20 kt after midnight. Seas 5 to 8 ft. A chance of showers.
Thu
SW winds 15 to 20 kt...becoming W 20 to 25 kt in the afternoon. Seas 6 to 9 ft. A chance of showers.
Thu Night
W winds 20 to 25 kt. Seas 4 to 7 ft. winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 257 PM EST SAT FEB 25 2017
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