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Flash Flood — St. Tammany, LA

Sep 11, 2024

Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated low-lying coastal areas, while torrential rainfall of 10-15 inches caused significant flash flooding, i

Source: NOAA National Weather Service Storm Events Database (event 1217858). Narrative written by NWS staff at the time of the event.

Flood Risk Context for St. Tammany, LA

This event is one of many recorded floods in St. Tammany County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View St. Tammany County flood data →

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