Monsoon Flooding Threats Continue; Storms Possible in the Mid-Atlantic

Monsoon moisture will primarily stretch from the northern Great Basin to the south and central Rockies. Flash flooding, and mud and debris flows, especially on burn scars will be possible. Strong to severe storms that could produce damaging winds and locally heavy rain will be possible in the Mid-Atlantic, Deep South, and Northeast. Fire weather threats persist for portions of the Northwest.
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Last Update: 703 AM EDT Sun Aug 1 2021

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast


Synopsis: An area of low pressure will pass just offshore today while a second weaker low passes north of the area this afternoon. A cold front will then cross the region Monday morning and high pressure will briefly build in from the NW through Tuesday. A couple areas of low pressure will likely then pass near or over the area in the mid-late week timeframe.

Today
SE winds 5 to 10 kt. Seas around 3 ft. A chance of showers. A slight chance of tstms this afternoon. Swell mainly from the SE with a dominant period of 7 seconds.
Tonight
NE winds 5 to 10 kt, becoming NW 10 to 15 kt after midnight. Seas around 3 ft. A chance of showers until early morning. Swell mainly from the SE with a dominant period of 7 seconds.
Mon
NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Swell mainly from the S with a dominant period of 7 seconds.
Mon Night
W winds 5 to 10 kt, becoming N after midnight. Seas around 3 ft. Swell mainly from the S with a dominant period of 8 seconds.
Tue
NE winds 5 to 10 kt. Seas around 3 ft in the morning, then 2 ft or less. A chance of showers in the afternoon.
Tue Night
E winds 5 to 10 kt. Seas around 3 ft. A chance of showers.
Wed
NE winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. Light swell in the morning.
Wed Night
E winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. A chance of showers.
Thu
SE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers in the morning, then showers likely in the afternoon.
Thu Night
S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Showers likely. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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Last Update: 703 AM EDT Sun Aug 1 2021
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