More Heavy Snow for the Northern Cascades; Heavy Rain Moving into the South-Central U.S.

Another Pacific storm will move across the Northwest Sunday and Monday with heavy snow forecast over the northern Cascades. A storm bringing snow to the Four Corners states Sunday will also shift heavy rain and some thunderstorms into the south-central U.S. and mid-Mississippi River Valley into Monday.
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Last Update: 318 AM EST Sun Feb 23 2020

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Philadelphia, PA Local Forecast Office

31NM SSE New York NY

Marine Zone Forecast


Synopsis: High pressure over the area moves offshore late today. Low pressure develops over the Midwest and lifts to the northeast Tuesday. Several disturbances will then impact the area through the end of the week until a strong cold front passes through the region. Arctic high pressure returns next weekend.

Today
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 ft or less. Swell mainly from the E with a dominant period of 10 seconds.
Tonight
SW winds 10 to 15 kt, diminishing to 5 to 10 kt late. Seas 2 ft or less. Swell mainly from the E with a dominant period of 11 seconds.
Mon
S winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 ft or less. Swell mainly from the E with a dominant period of 11 seconds.
Mon Night
S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas around 3 ft in the evening, then 2 ft or less. Swell mainly from the S with a dominant period of 7 seconds. a chance of rain after midnight.
Tue
SE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 ft or less, then around 3 ft in the afternoon. Rain likely.
Tue Night
E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of rain in the evening.
Wed
SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of rain in the morning, then rain likely in the afternoon.
Wed Night
S winds around 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Rain likely. A chance of drizzle after midnight with vsby 1 to 3 nm.
Thu
W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Thu Night
W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
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ABOUT THIS FORECAST

Last Update: 318 AM EST Sun Feb 23 2020
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