Aug 6, 2024
Several rounds of heavy thunderstorms developed over the area on the afternoon of August 6th. A slow moving frontal system stalled out over the area. PWATs of 2-2.2 inches and a sharp gradient of MUCAPE peaking out over the area near 2500 J/kg allowed for the development of strong thunderstorms producing torrential rainfall with rates upwards of 1.5-2.5 inches per hour. Total rainfall was 1-3 inches with localized amount up to 4-5 inches.
Source: NOAA National Weather Service Storm Events Database (event 1212543). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Nassau County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.