Flash Flood Warning until 06:15AM 
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for... Northeastern Middlesex County in northern New Jersey... East Central Somerset County in northern New Jersey...
* Until 615 AM EDT.
* At 324 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas.
* Some locations that may experience flash flooding include... New Brunswick, Perth Amboy, Somerset, Edison, Carteret, Middlesex, Bound Brook, Society Hill, Colonia, Woodbridge, South Plainfield, and North Plainfield. This includes the following highways... New Jersey Turnpike between exits 11 and 13. Interstate 78 in New Jersey between mile markers 39 and 42. Interstate 287 in New Jersey between mile markers 0 and 12. Garden State Parkway between mile markers 125 and 134.
* AFFECTED AREAS: MIDDLESEX, NJ ... SOMERSET, NJ
Instructions:
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876
Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140