Summer Heat In Multiple Spots

A large dome of high pressure is expected to deliver summer heat with humidity in multiple sections of the country to start off the week. Excessive heat warnings and heat advisories are in effect across the south-central Plains, Mid to Lower Mississippi Valley and from the Mid-Atlantic into the Northeast. This includes the cities of New York, Philadelphia, Dallas, Oklahoma City and Kansas City.
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Hazardous Weather Conditions

Last Update: 354 AM EDT Mon Aug 19 2019

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast


Synopsis: A lee-side trough will remain across the Mid Atlantic region through the middle of the week. A back door front is expected dip down across the region tonight, before stalling near the area through Tuesday into Tuesday night. This front may return northward Wednesday, before a cold front moves into the region Wednesday night. This front will slowly move across the area through Thursday as low pressure moves along the boundary. High pressure then builds across the northeast Saturday, then offshore later Sunday.

Today
S winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas around 3 ft. Swell mainly from the SE with a dominant period of 8 seconds. patchy fog early this morning. A chance of showers and tstms this afternoon.
Tonight
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 3 ft until early morning, then 2 ft or less. Swell mainly from the S with a dominant period of 7 seconds. a chance of showers and tstms early in the evening.
Tue
NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 ft or less. Swell mainly from the S with a dominant period of 6 seconds.
Tue Night
SW winds 5 to 10 kt. Seas 2 ft or less. Swell mainly from the SE with a dominant period of 10 seconds. a chance of showers and tstms. Vsby 1 to 3 nm until early morning.
Wed
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Wed Night
SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. A chance of showers and tstms.
Thu
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms in the morning, then showers likely with a chance of tstms in the afternoon.
Thu Night
W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms.
Fri
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. A chance of showers.
Fri Night
W winds around 5 kt, becoming N 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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ABOUT THIS FORECAST

Last Update: 354 AM EDT Mon Aug 19 2019
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