Strong storms dumped heavy rain across parts of the Philadelphia area early Thursday afternoon. A Flash Flood Warning remains in effect through 6:30 p.m. with more rain and storms on the way.

The National Weather Service issued a flash flood warning at 5:21 p.m. on Thursday in effect until 9:30 p.m. for Cumberland County.

Strong storms are expected in the Philadelphia area Thursday as a Flash Flood warning was issued until 6:30 p.m.

Torrential rain pummeled parts of the Northeast on Thursday, including New York City and New Jersey, stranding rush-hours passengers on a train.

Commuters in New York City climbed their way out of subway stations and experienced travel woes on the road as floodwaters swamped the area.

The New York City area and New Jersey declared states of emergency Thursday as heavy rain with the potential for flash floods approached the region. Weather is expected to dump several inches of rain in the New York-New Jersey areas as residents make their evening commutes home.

Nearly 50 million under flood threat from Virginia to Connecticut as storms hit many parts of the East Coast causing flooding and water rescues in some areas, and impacting travel. NBC News’ Erin McLaughlin reports on the very latest.

New York Governor Kathy Hochul and her acting New Jersey counterpart declared states of emergency for areas facing the threat of flash floods on Thursday from heavy downpours disrupting rail and air travel along the Eastern Seaboard.