River Flooding Continues to be a Concern for Multiple Regions across the Country

Recent rainfall has increased the threat of Moderate to Major flooding along rivers in the Mid-Atlantic, especially Virginia and Maryland, over the next few days. Rainfall combined with snowmelt is also fueling Moderate-to-Major flooding in the northern Rockies and northern Intermountain West.
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Last Update: 925 AM EDT Sun May 20 2018

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Philadelphia, PA Local Forecast Office

8NM ESE Atlantic City NJ

Marine Zone Forecast


...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
Synopsis: A warm front will lift across northern New Jersey and the Poconos this morning. It will be followed by a cold front for the region this afternoon. Weak high pressure will overspread the area tonight and lat into Monday. Another slow moving disturbance will move in Monday night and linger across the area into Wednesday. High pressure will return to the scene for Thursday and remain into the beginning of next weekend.

Rest Of Today
SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the SE with a dominant period of 7 seconds. areas of fog late this morning. A slight chance of showers late this morning and early afternoon. A slight chance of tstms early this afternoon, then a chance of showers and tstms late. Vsby 1 nm or less late this morning.
Tonight
SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt with gusts up to 20 kt late in the evening, then becoming NW after midnight, becoming N late. Seas 4 to 6 ft, subsiding to 3 to 4 ft late. Swell mainly from the S with a dominant period of 8 seconds. a chance of showers and tstms early in the evening.
Mon
E winds 5 to 10 kt. Seas 3 to 4 ft. Swell mainly from the S with a dominant period of 8 seconds.
Mon Night
SE winds 5 to 10 kt. Seas around 3 ft. Swell mainly from the S with a dominant period of 8 seconds. a chance of showers.
Tue
SE winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft in the afternoon. A chance of showers.
Tue Night
S winds 5 to 10 kt, becoming SW after midnight. Seas around 3 ft. A chance of showers.
Wed
W winds 5 to 10 kt. Seas around 3 ft.
Wed Night
W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft.
Thu
N winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft.
Thu Night
S winds 5 to 10 kt, becoming SW after midnight. Seas around 3 ft. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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Last Update: 925 AM EDT Sun May 20 2018
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