Flash Flood Warning until 06:15PM 
FFWPHI The National Weather Service in Mount Holly has extended the
* Flash Flood Warning for... Mercer County in central New Jersey... Southwestern Somerset County in northern New Jersey... Southeastern Bucks County in southeastern Pennsylvania...
* Until 615 PM EDT.
* At 513 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly as additional heavy rain is moving into the area leading to an additional flash flooding threat. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Trenton, Ewing, Princeton, Bristol, Pennington, Yardley, Newtown, Hopewell, Tullytown and Langhorne.
* AFFECTED AREAS: MERCER, NJ ... SOMERSET, NJ ... BUCKS, PA
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876
Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140