May 4, 2020
Strong to severe thunderstorms developed over northeastern Oklahoma during the morning of the 5th, as warm, moist, and unstable air was drawn northward over a warm front that stretched across the area. Strong instability, coupled with strong deep-layer wind shear, promoted the development of supercells that produced large hail up to tennis ball size.||Another round of thunderstorms developed across northeastern Oklahoma during the afternoon as a cold front moved into the area. The combination of
Source: NOAA National Weather Service Storm Events Database (event 891543). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mayes County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.