May 9, 2025
A surface low developed in the northwestern Gulf and tracking along the Louisiana coastline on May 9th. As moisture surged northward, training along the leading edge of an appendant warm front created a setup conducive for training of heavy rainfall. Flash flooding occurred across various portions of New Orleans Metro.
Source: NOAA National Weather Service Storm Events Database (event 1260576). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Orleans County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.