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Somerset County Public Safety
Saturday March 23rd, 2024 :: 04:00 p.m. EDT

Advisory

Flood Warning until 01:16PM Monday

...The National Weather Service in Mount Holly NJ has issued a Flood Warning for the following rivers in New Jersey... Millstone River At Blackwells Mills affecting Somerset County. For the Millstone River...including Blackwells Mills...Moderate flooding is forecast.

* WHAT...Moderate flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...From this evening to early Monday afternoon.

* 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 PM EDT Saturday the stage was 6.4 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 10.5 feet tomorrow morning. It will then fall below flood stage Monday morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 10.5 feet on 03/22/1999. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: SOMERSET, NJ

Instructions:

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/phi. The next statement will be issued late tonight at 400 AM EDT.

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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