Flash Flood in St. Bernard Parish, Louisiana

Flash Flood July 3, 2021 · St. Bernard Parish, Louisiana

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

What the National Weather Service wrote

NWS employee reports multiple flooded streets with one with its sidewalk covered. Measured 4 inches of rain.

The wider storm

In the afternoon and evening hours on July 2nd, a stalled frontal boundary draped across northern Louisiana, central Mississippi and Alabama. This left moist, unstable air across southern Louisiana and much drier continental air to the north. This boundary, along with a upper-level weak disturbance helped ignite slow-moving scattered showers and thunderstorms that led to flash flooding.

Began near Arabi (29.9600, -90.0000).

Source: NOAA Storm Events Database, event 974412. Narratives are written by the National Weather Service forecast office that issued the report.

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