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Flash Flood — Jefferson, IN

Sep 3, 2022

During the afternoon and evening hours of September 3rd, a combination of a moist, unstable environment and relatively light steering level winds over the Ohio Valley facilitated the development of slow moving showers and thunderstorms which produced heavy rainfall across southern Indiana. Several broken lines of convection drifted from west to east across the region, spurred on by 1000-1500 J/kg MLCAPE and Precipitable Water values approaching 2 inches. A weak mid-level low across the mid-Missi

Source: NOAA National Weather Service Storm Events Database (event 1052133). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Jefferson, IN

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

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