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Somerset County Public Safety
Sunday August 22nd, 2021 :: 12:29 p.m. EDT

Advisory

Flood Warning until 02:00PM

At 1229 PM EDT, gauge reports indicated flooding was continuing in several creeks and streams across the warning area. The gauges on the Neshanic River at Reaville and the North Branch Raritan River at South Branch were both in minor flood stage at this time and will likely remain so for the next couple of hours. The Millstone River is rapidly rising, with moderate flooding already occurring in Griggstown. Do not drive through flooded roadways! For Millstone River at Blackwells Mills: At 11:15am the stage was 6.33 feet. Flood Stage is 9 feet. For Millstone River at Griggstown: At 12:15pm the stage was 12.21 feet. Flood Stage is 10 feet. For Millstone River at Millstone: At 11:15am the stage was 6.63 feet. Flood Stage is 10 feet. For Neshanic at Reaville: At 12:15pm the stage was 8.85 feet. Flood Stage is 6.5 feet. For North Branch Raritan River at South Branch: At 12:00pm the stage was 8.16 feet. Flood Stage is 8 feet. This includes the following highways... Interstate 78 in New Jersey between mile markers 17 and 42. Interstate 287 in New Jersey between mile markers 11 and 30.

* AFFECTED AREAS: HUNTERDON, NJ ... SOMERSET, NJ

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

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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