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Somerset County Public Safety
Monday May 1st, 2023 :: 03:52 a.m. EDT

Advisory

Flood Warning until 11:00PM Monday

* WHAT...Minor flooding is forecast.

* WHERE...Millstone River At Blackwells Mills.

* WHEN...From this morning to late this evening.

* IMPACTS...At 6.0 feet, The Griggstown Causeway is closed due to flooding. At 7.0 feet, Several more causeways are closed due to flooding. At 9.0 feet, Flood stage reached with flooding now along River Road in Blackwells Mills and S. River Street in Millstone. Base of Route 533 bridge floods. River Road between Yorktown and Amsterdam is subject to closure. Canal Road near Suydam Road floods. At 10.0 feet, The D&R Canal is flooded by the Millstone River.

* ADDITIONAL DETAILS... - At 3:15 AM EDT Monday the stage was 8.4 feet. - Forecast...The river is expected to rise above flood stage this morning to a crest of 9.1 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.2 feet on 03/12/2011. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: SOMERSET, NJ

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:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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