Flood Warning Extended, Roads Remain Closed In Somerset County
SOMERSET COUNTY, NJ — The Flood Warning is extended in Somerset County as some rivers hit Moderate Flood Stage.
The National Weather Service extended its flood warning through 9:30 p.m. on Friday for the Millstone River and Raritan River.
As of Thursday morning, the Millstone River at Griggstown is at the Moderate Flood Stage at 14.92 feet just below the Major Flood stage at 15 feet.
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The Millstone River at Blackwells Mills is also at the Moderate Flood Stage at 11.72 feet and is rising.
“The river is expected to rise to a crest of 11.9 feet this afternoon. It will then fall below flood stage tomorrow afternoon,” according to Somerset County Public Safety.
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As a result, flooding has closed Griggstown Causeway, River Road in Blackwells Mills, S. River Street in Millstone, and the base of the Route 533 bridge. River Road between Yorktown and Amsterdam and Canal Road near Suydam Road are subject to close.
The D&R Canal is also flooded by the Millstone River.
The Raritan River in Bound Brook is at the Minor Flood stage at 29.11 feet just below the Moderate Flood stage at 30 feet.
“At 28 feet, backyard and low areas are protected by levees and the flood wall. Without the levees or if there is a breach in the levees, minor flooding will occur. At 30 feet, Main Street is protected by flap valves/sluice gates. This level triggers the gate closures to protect Main Street,” according to Somerset County.
The river is expected to fall below flood stage late on Thursday afternoon and continue falling to 20.1 feet by early Sunday morning.
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The Raritan River in Manville is also at the Minor Flood stage at 14.7 feet.
Road Closures
Several roads remain closed as of Thursday morning including:
Forecast Ahead
Thursday: A chance of thunderstorms after 4 p.m. Mostly cloudy, with a high near 50. Northwest wind 5 to 10 mph. Chance of precipitation is 30 percent. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 38. Northeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 50 percent. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: A slight chance of showers after 2 p.m. Partly sunny, with a high near 50. West wind 10 to 15 mph. Chance of precipitation is 20 percent.
Friday Night: Mostly cloudy, with a low around 37. Northwest wind around 10 mph.
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