Jul 30, 2025
A primed microburst environment was in place on July 30, 2025, as hot and humid conditions combined with a weak surface low pressure across southeast Louisiana and southern Mississippi. Numerous severe thunderstorms developed through the afternoon. In Marrero, Jefferson Parish, thunderstorm winds knocked down a powerline, while additional wind damage in Hammond brought down multiple trees, including one onto a powerline. In Centreville, MS, a downed tree damaged two homes. Heavy rainfall also le
Source: NOAA National Weather Service Storm Events Database (event 1286894). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Ascension County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.