Flash Flood — Morris, New Jersey

2021-09-01 · near Long Vly, Morris, New Jersey

Event narrative

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.

Wider weather episode

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.

View location on OpenStreetMap → (40.7844, -74.7800)

Source: NOAA Storm Events Database, event_id 986299. Narrative written by the NWS forecast office that issued the report.