Drenching, Gusty Storms Threatening the South

By , Senior Meteorologist
July 21, 2012; 3:56 PM
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Today is coming to a close with drenching thunderstorms soaking and flooding parts of the South. Localized damaging thunderstorms are another concern.

Flash flooding commenced across central Mississippi earlier this morning with numerous drenching thunderstorms in place. Runoff from the torrential rain flooded roads in and around Martin.

Jackson, Miss., picked up 2.55 inches of rain in less than four hours earlier today. That is more than half of what the city typically receives during the entire month of July.

AccuWeather.com meteorologists are concerned for more flooding problems to ensue in low-lying and poor drainage areas into this evening as additional thunderstorms drop downpours.

The flooding downpour danger has departed central Mississippi and now extends from far southeastern Texas to the central Gulf Coast and northeastward to North Carolina and southeastern Virginia.

Within this zone lies Charlotte, N.C., where torrential rain caused the roof the city's South Park Mall to partially collapse Friday evening.

Even where flooding does not develop, AccuWeather.com Meteorologist Mark Miller warned, "drenching downpours can make driving especially difficult."

The intense bursts of rain will greatly reduce visibility and cause water to pond on roadways, heightening the risk for vehicles to hydroplane.

A handful of thunderstorms into this evening will do more than unleash flooding and blinding downpours. Damaging winds and hail will also be produced.

While a widespread outbreak is not expected, the threat for these powerful thunderstorms is greatest across southern Louisiana, far southeastern Texas and eastern North Carolina.

Cities in this danger zone include Beaumont, Texas, Lake Charles, La., and Raleigh, N.C.

The severity of the thunderstorms will wane overnight with the loss of daytime heating. However, another round of thunderstorms threatens to force outdoor activities inside throughout the South on Sunday.

South Florida will be at greatest risk for blinding downpours on Sunday with a surge of tropical moisture in place.

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