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Flash Flood — St. Tammany, LA

Jan 24, 2024

For the second time in January, near record atmospheric levels of moisture, for January, was in place across southern Mississippi and southeast Louisiana. Low level convergence aided in the formation of a weak stalled frontal boundary, which became the focus for widespread showers and thunderstorms. Strong diffluence aloft from an approaching upper level jet enhanced storms that did develop. The combo of more than abundant moisture and dynamic support resulted in many local areas seeing 5 to 10+

Source: NOAA National Weather Service Storm Events Database (event 1158287). 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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