May 27, 2021
Severe thunderstorms developed across eastern Oklahoma during the afternoon of the 27th, near an outflow boundary from previous storms, and ahead of a cold front. These storms eventually organized into a line and moved through southeastern Oklahoma during the evening. A tornado, large hail up to baseball size, and damaging wind occurred as the storms moved through the area. Some of the thunderstorms moved repeatedly over the same areas, and produced very heavy rainfall rates, which resulted in f
Source: NOAA National Weather Service Storm Events Database (event 960813). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Okmulgee County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.