PHILADELPHIA - The National Weather Service has issued a tornado watch for the entire Delaware Valley as a cluster of strong storms with intense winds move into the region.
The weather service says the region-wide watch will last until 9 p.m. Thursday night when forecasters expect the brunt of the storm to move offshore.
A tornado warning is in effect for Mercer, Ocean and Monmouth counties until 7:30 p.m. The warnings for Bucks, Berks, Burlington, Lehigh and Northampton counties have expired.
Forecasters expect a large system of rain with a band of strong thunderstorms to impact areas north and west of Philadelphia around 3 p.m.