Tornado Warning Canceled After Threat In Montco, Chester County

The tornado warning issued in parts of Montgomery and Chester counties Monday afternoon has been canceled, the National Weather Service said, just minutes before it was set to expire at 5:30 p.m.

"The tornado threat has diminished and the Tornado Warning has been cancelled," the agency said.

A severe thunderstorm watch remains in place until 9 p.m. for the rest of the region.

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Residents in the impacted area were told to immediately take cover at around 4:35 p.m. Officials advised moving to the basement or interior room on the lowest floor of a sturdy building. Avoid windows if possible.

"Flying debris will be dangerous to those caught without
shelter," the National Weather Service said. "Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely."

At 5:07 p.m., the storm was moving over Chester Springs, about eight miles north of West Chester, at 30 miles per hour, the agency said.

Impacted towns include West Chester, Phoenixville, West Norriton, East Norriton, Downingtown, Valley Forge, Paoli, Chester Springs, Newtown Square, Lionville, King Of Prussia, Lionville-Marchwood, Radnor Township, West Goshen, Malvern, Exton, Thorndale, Audubon, Chesterbrook, and
Eagleville.

The warning was initially set to expire at 5 p.m. before being extended to 5:30 p.m.

Penny sized hail and winds up to 60 miles per hour are possible.

That includes the Pennsylvania Turnpike between mile markers 296 and 325, and I-176 between mile markers 1 and 2.

See more coverage of Monday's storms: Tornadoes Possible As Severe Thunderstorm Watch Issued In Philly Area

If you are stuck outdoors, in a vehicle, or a mobile home, move to the closest substantial shelter.