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Flash Flood in Hunterdon County, New Jersey

Flash Flood September 1, 2021 · Hunterdon County, New Jersey

Deaths

$5.0M

Damage as recorded

$1.0M

Crop damage

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Widespread flash flooding occurred in Hunterdon County with numerous road closures. There were over 300 water rescues in the county. A total of six flood related fatalities were reported, one in Milford, one in East Amwell Township, and four in Raritan Township. Many buildings and homes were damaged by the flood waters. Most waterways in the county overflowed their banks, including the South Branch of the Raritan River, the Neshanic River and Spruce Run.

The wider storm

Post Tropical Cyclone Ida brought heavy rain to New Jersey on September 1. Rainfall totals were as high as 5 to 10 inches. The heavy rain caused significant flash flooding, mainly in the northern half of the state. It resulted in widespread property damage. There were several fatalities.

Began near Riegel Ridge (40.6175, -75.1205).

Source: NOAA Storm Events Database, event 986283. Narratives are written by the National Weather Service forecast office that issued the report.

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