First Alert Weather

Severe storms cause flooding in Chester and Montgomery counties

Flash flooding was reported in both Montgomery and Chester counties.

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Severe storms brought heavy rain, thunder and flooding to the Philadelphia region on Tuesday. 

A severe thunderstorm watch, severe thunderstorm warnings and flash flood warnings were in effect for parts of the region during the late afternoon into the early evening.

A Flood Warning is currently in effect for the East Branch Brandywine Creek below Downingtown in Chester County. The warning will last into Wednesday afternoon, according to the National Weather Service. The NWS warns drivers not to attempt to drive through floodwater and to turn around.

Flash flooding was reported in both Montgomery and Chester counties. Creek Road in Downingtown was hit hard by heavy rain before rocks slid and spilled onto the roadway.

"I thought I could go past there because the rain stopped," Joanne Sylvester, a Downingtown resident who was driving on Creek Road on Tuesday, told NBC10

Sylvester said she tried to pivot when she spotted a damaged car on the side of the street near 300 Creek Road. Moments later, Sylvester's mini SUV sunk into the mud.

"I was trying to go in drive and reverse and drive and reverse," she said. "You know, like you do in the snow? And I just got deeper and deeper."

Floodwaters continued to move rapidly around other parts of Downingtown, causing flooding at nearby baseball fields and playgrounds. Abby Enochs told NBC10 she was with her daughter at Kardon Park on East Pennsylvania Avenue in Downingtown when the flooding occurred. They stayed dry by sitting in a gazebo.

"We were coming from the Exton area and within 30 minutes the roads were completely flooded," she said.

Chester County Dispatch told NBC10 Exton was hit the hardest by Tuesday's flooding.

An NBC10 viewer also reported flooding near Route 100 in Exton.

This photo from L. Martini shows flooding near Route 100 in Exton, Pennsylvania

There were also reports of flash flooding in Green Lane in Montgomery County and multiple water rescues in West Whiteland Township on Tuesday.

The NWS said they also received several photos of roads that were completely impassible with a creek overflowing its banks near McLean Station Road in Red Hill, Pennsylvania.

According to the Chester County Department of Emergency Services, Yellow Springs Road in West Pikeland Township is closed after the roadway was washed away during the heavy rain.

Fortunately, no serious injuries were reported.

The storms also caused Philadelphia International Airport to issue a ground stop Tuesday afternoon. 

Be sure to follow the NBC10 First Alert Weather team and download the NBC10 app for the latest weather updates.

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