Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina.
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Last Update: 943 AM EDT Sun Sep 23 2018

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT...
Synopsis: High pressure will build in from the north as low pressure slides along the stalled front south of our area. The stalled front will lift north as a warm front late Monday into Tuesday. A cold front is expected to pass through the region late Wednesday into Thursday. High pressure will then build in behind this front into next weekend.

Today
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Swell mainly from the E with a dominant period of 10 seconds. rain.
Tonight
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Swell mainly from the E with a dominant period of 11 seconds. Rain, mainly in the evening.
Mon
E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Swell mainly from the E with a dominant period of 10 seconds. A chance of rain.
Mon Night
E winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Swell mainly from the E with a dominant period of 7 seconds. A chance of rain in the evening, then rain likely after midnight.
Tue
SE winds 15 to 20 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Showers likely.
Tue Night
S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 7 ft. A chance of showers.
Wed
SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. A chance of showers.
Wed Night
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of showers.
Thu
N winds around 10 kt, becoming NE in the afternoon. Seas 3 to 5 ft. A chance of showers.
Thu Night
E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
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Last Update: 943 AM EDT Sun Sep 23 2018
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