Flash Flood in St. Bernard Parish, Louisiana

Flash Flood July 18, 2011 · St. Bernard Parish, Louisiana

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

What the National Weather Service wrote

The St. Bernard Parish President reported widespread flooding across the parish with many streets impassible due to deep water.

The wider storm

A trough of low pressure combined with an extremely moist airmass to produce thunderstorms that remained nearly stationary over southeast Louisiana and southern Mississippi during the early morning hours of July 18th.

Began near Chalmette (29.9300, -89.9700).

Source: NOAA Storm Events Database, event 322241. Narratives are written by the National Weather Service forecast office that issued the report.

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