Flash Flood in Morris County, New Jersey

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

$10.0M

Damage as recorded

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 Morris County with numerous road closures. Many waterways in the county overflowed their banks, including the Passaic River, the Whippany River, the Pompton River and the Pequannock River.

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 Long Vly (40.7844, -74.7800).

Source: NOAA Storm Events Database, event 986299. Narratives are written by the National Weather Service forecast office that issued the report.

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