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Flash Flood — Carter, OK

May 22, 2025

Multiple rounds of hail-producing thunderstorms impacted portions of the WFO Norman Forecast Area on the 22nd. Morning convection was initiated by moist isentropic ascent in low to mid-levels. With sufficient elevated instability and wind shear already in place, a few transiently organized thunderstorms produced hail from south-central into north-central Oklahoma. Thunderstorm intensity gradually increased towards midday, culminating in the development of a more robust, right-moving supercell th

Source: NOAA National Weather Service Storm Events Database (event 1261717). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Carter, OK

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

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Flash Flood$25K damage

Carter, OK · May 22, 2025

Multiple rounds of hail-producing thunderstorms impacted portions of the WFO Norman Forecast Area on the 22nd. Morning convection was initiated by moist isentropic ascent in low to mid-levels.

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