Storm Team4

Flash Flood Emergency Declared in Loudoun County

Here's the Storm Team4 forecast

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More rain and storms hit the region Thursday evening, prompting concerns about flooding days after a tropical storm soaked the region and caused damage.

A dangerous storm prompted flash flood emergency for central and northern Loudoun County, where a storm has dropped up to 5 inches of rain in four hours in areas near Leesburg as of 11 p.m. The storm is not moving. 

Flash flooding was reported in Leesburg, and several roads are closed. Limestone Branch rose 7.5 feet in an hour at which level water can enter homes near the stream.

Numerous water rescues were reported.

A flash flood warnings are in effect until 1 a.m. in northeastern Loudoun County and 2:15 a.m. in central Loudoun County.

In southwestern Spotsylvania County, a flash flood warning is in effect until 10:45 p.m. A flood warning for southern Spotsylvania County is in effect until 3:30 a.m.

A flash flood watch is in place for the entire region until 6 a.m.


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Many in the D.C. area woke up to claps of thunder, flashes of lightning and pattering rain overnight. Severe thunderstorms rolled over some areas, including Glen Burnie and Severn, before the sun rose.

Rain is likely again on Friday and Saturday morning, then the sun is expected to come out for the rest of the weekend.

Heavy rain before sunrise spurred a flood warning Thursday morning for parts of Calvert, Charles, St. Mary's and Prince George's counties. Residents in those areas were still cleaning up after getting hit hard earlier this week by Tropical Storm Isaias.

It's been just two days since that storm dumped inches of rain onto the D.C. area, including nearly 8 inches of rain on Mechanicsville. The wet ground will heighten the risk for flash floods.

The National Weather Service says flash flooding would likely be scattered.

If you encounter high water, turn around, don't drown.

Stay with Storm Team4 for the latest forecast.

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