A tornado warning for parts of South Jersey expired as heavy storms moved through the Delaware Valley, leading to severe thunderstorm and flash flood warnings for the entire CBS News Philadelphia ...

A tornado watch is issued when severe thunderstorms (thunderstorms that have winds of 58 mph or higher and/or produce hail 1 inch in diameter or larger) and tornadoes are possible in and near the ...

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

A round of early afternoon storms swept through the Philadelphia area Thursday leaving downed trees and flooded streets in its wake.