Flash Flood in Essex County, New Jersey

Flash Flood August 18, 2024 · Essex County, New Jersey

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

What the National Weather Service wrote

Major flooding and roads closed by Memorial Oval.

The wider storm

A frontal system over the area on August 18th produced heavy thunderstorms that were fairly slow moving over northeast New Jersey. A cold front moving in from the west late in the afternoon produced heavy thunderstorms with an environmental MUCAPE of 2000-3000 J/kg and PWAT values of 1.7-1.8 inches. These slow moving thunderstorms produce rainfall rates of 1-3 inches per hour over New Jersey with total rainfall amounts of 2-4 inches. This resulted in widespread flash flooding during the evening of August 18th.

Began near Livingston (40.7837, -74.3140).

Source: NOAA Storm Events Database, event 1213844. Narratives are written by the National Weather Service forecast office that issued the report.

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