India, Nov. 13 -- The National Weather Service (NWS) has issued a flash flood warning for Philadelphia and Drexel Hill in Pennsylvania, and Gloucester City in New Jersey, until 6:45pm EST, as per NWS. Thunderstorms have been dropping heavy rain on the region on Thursday.

Earlier in the day, the first flash flood warning was issued at about 11:45am for northeastern parts of Monmouth County. It was in effect until 3:45pm.

"Doppler radar indicated thunderstorms producing heavy rain across the warned area," the weather service said in its warning. "Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area."

According to...