An updated tornado warning was issued by the National Weather Service on Tuesday at 5:52 p.m. in effect until 6:30 p.m. for Bucks, Montgomery and Philadelphia counties.

FLOODED ROADSA band of over 3" of rain over a short period of time has fallen along Route 1 through southern Chester and Delaware Counties leading to numerous reports of flooded roadways and stranded vehicles. Avoid driving in this area. Flash flood warnings are in effect. pic.twitter.com/dh9TXhNN1c

Downpours set off flood warnings Wednesday night for Philly and surrounding areas, and most of Chester County and northern Delaware. These conditions may be around until Monday, maybe longer.

Flood waters are subsiding after Wednesday's rain, but there are more storm chances in the Philly region on Thursday.

Severe storms moved through the Philadelphia region on Tuesday, July 8 bringing heavy rains, strong winds, hail and several tornado warnings.

A tornado warning issued for Bucks, Montgomery, Chester, and Delaware counties, and Philadelphia has expired. No tornados have been confirmed to have touched down as of Tuesday afternoon.

The stark warning about the threat of a tornado concerns Washington DC, and the surrounding areas, such as the state of Pennsylvania and its large cities like Philadelphia

The NBC10 Weather Team has issued a First Alert for severe storms for the entire Philadelphia region on Wednesday.