Flash Flood Warning until 09:30PM 
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for... Morris County in northern New Jersey... Hunterdon County in northwestern New Jersey... Mercer County in central New Jersey... Somerset County in northern New Jersey... Northern Middlesex County in northern New Jersey... Central Montgomery County in southeastern Pennsylvania... Bucks County in southeastern Pennsylvania... North central Chester County in southeastern Pennsylvania... Northeastern Philadelphia County in southeastern Pennsylvania...
* Until 930 PM EDT.
* At 522 PM EDT, Doppler radar indicated multiple rounds of thunderstorms, producing heavy rain, that will move across the warned area during the next hour or two. Flash flooding is likely in areas that receive repetitive rounds of heavy rain.
* Some locations that could experience flooding include... Philadelphia, Trenton, New Brunswick, Morristown, Somerville, Somerset, Edison, Bensalem, East Brunswick, Bridgewater, South Brunswick, North Brunswick, Ewing, Carteret, Pottstown, Dover, Lansdale, Madison, West Norriton and Middlesex.
* AFFECTED AREAS: MIDDLESEX, NJ ... PHILADELPHIA, PA ... SOMERSET, NJ ... MONTGOMERY, PA ... CHESTER, PA ... MORRIS, NJ ... BUCKS, PA ... MERCER, NJ ... HUNTERDON, NJ
Instructions:
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. A Flash Flood Warning means that flooding is imminent or occurring. If you are in the warned area move to higher ground immediately. Residents living along streams and creeks should take immediate precautions to protect life and property.
Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876
Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140