Flash Flood — St. Bernard, Louisiana

2011-07-18 · near Chalmette, St. Bernard, Louisiana

Event narrative

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

Wider weather episode

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.

View location on OpenStreetMap → (29.9300, -89.9700)

Source: NOAA Storm Events Database, event_id 322241. Narrative written by the NWS forecast office that issued the report.