weather alert

Flash Flood Watch, Flood Warnings in Effect for Parts of DC Area

Storm Team4 has declared a Weather Alert

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Slow-moving storms left much of the D.C. region drenched and some areas flooded Wednesday.

Flash floods stranded drivers when roads became rivers in Sterling, Virginia.

Flood warnings remain in effect for parts of Loudoun County, Virginia, and Howard County, Maryland. Flash flood warnings have expired for parts of Maryland and Virginia.

Flood alert sirens went off in historic Ellicott City, Maryland, where floods devastated businesses and homes in 2016 and 2018.

A flash flood watch is in effect for the entire D.C. area until 11 p.m.

Early Wednesday, several inches of rain fell in a short period of time, causing a sinkhole to open up on Moseby Court in Manassas Park, which left about 400 people with no way to leave their neighborhood. No one was hurt. Crews are working to create a temporary road out of another part of the neighborhood so residents can leave the area. 

Chopper4 footage showed the gaping hole.

Record rain fall washed away a large road in Manassas Park. The hole, that is at least 100 feet across, leaves a community of about 400 people trapped. News4’s Adam Tuss reports.

A patrol officer was driving through the area at about 4:30 a.m. when he saw a tree in the roadway. 

“He realized the road had caved away. Thankfully no one drove into it,” Capt. Frank Winston of the city’s police department said. 

One car with no one inside was swept into water nearby.

Photos: Heavy Rains Open Sinkhole in Manassas Park

Residents said they previously reported a problem with the road.

Elsewhere, emergency management reported flash flooding on Lee Highway near Sudley Road, where several vehicles were trapped in swift-moving, rising water, according to the National Weather Service.

Temperatures on Wednesday reached the low 90s, with a heat index closer to 100° once again.

Stay with Storm Team4 and NBC Washington for the latest.

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