Flash Flood Warning until 05:45PM 
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for... North central Mercer County in central New Jersey... Southern Somerset County in northern New Jersey... Central Middlesex County in northern New Jersey...
* Until 545 PM EDT.
* At 151 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to one inch of rain has already fallen. Flash flooding is expected to begin shortly in the areas of heaviest rain.
* Some locations that could experience flooding include... New Brunswick, Somerset, Edison, Old Bridge, East Brunswick, South Brunswick, Sayreville, North Brunswick, Princeton, Matawan, Jamesburg, Hopewell, Rocky Hill, Skillman, Brownville, Kingston, Dayton, Plainsboro Center, North Brunswick Township and Kendall Park. Additional rainfall amounts of one to two inches are possible in the warned area.
* AFFECTED AREAS: MIDDLESEX, NJ ... SOMERSET, NJ ... MERCER, NJ
Instructions:
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots.
Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876
Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140