Dangerous Heat Lingers in Southern U.S. And Severe Thunderstorms In The Central U.S.

Heat advisories and excessive heat warnings persist across the Southern U.S. today, including the Dallas, Houston and New Orleans metro areas. Dangerous heat indices with record high temperatures are expected, especially in Texas. Meanwhile, a strong cold front moving through the Central U.S. will produce severe thunderstorms from the Upper Mississippi Valley to the south-central High Plains.
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Last Update: 1001 AM EDT Tue Jul 14 2020

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Philadelphia, PA Local Forecast Office

8NM ESE Atlantic City NJ

Marine Zone Forecast

Synopsis: High pressure will build into the eastern U.S. through midweek. A backdoor cold front will move south into the area late tonight and Wednesday before lifting northward as a warm front on Thursday and Friday. A weak cold front will approach the East Coast near the end of the week into the weekend, but high pressure in the Southeast will likely aid in its stalling and eventual dissipation.

Rest Of Today

NW winds 5 to 10 kt, becoming SW this afternoon. Seas around 3 ft. Swell mainly from the S with a dominant period of 7 seconds.

Tonight

SW winds 5 to 10 kt, becoming NW late. Seas around 3 ft. Swell mainly from the SE with a dominant period of 7 seconds.

Wed

NE winds 5 to 10 kt, becoming E 10 to 15 kt late. Seas around 3 ft. Swell mainly from the SE with a dominant period of 7 seconds.

Wed Night

SE winds 10 to 15 kt. Seas around 3 ft. Swell mainly from the SE with a dominant period of 6 seconds, becoming mainly from the E with a dominant period of 4 seconds after midnight.

Thu

SE winds around 10 kt. Seas around 3 ft.

Thu Night

SE winds around 10 kt. Seas around 3 ft.

Fri

S winds 10 to 15 kt. Seas around 3 ft.

Fri Night

SW winds 10 to 15 kt. Seas around 3 ft. A chance of tstms.

Sat

S winds 5 to 10 kt. Seas around 3 ft. A chance of tstms in the morning.

Sat Night

SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight. winds and seas higher in and near tstms.