Jul 3, 2019
A large, long-lived supercell thunderstorm developed over Oglala Lakota County and tracked slowly eastward across southern South Dakota through the late afternoon and early evening. The storm produced a large swath of large hail and strong winds, eventually producing mostly strong winds as it moved across far south central South Dakota. Brief tornado touchdowns were reported over Bennett County, but did not cause damage. Heavy rain also produced flooding in some areas of Oglala Lakota and Bennet
Source: NOAA National Weather Service Storm Events Database (event 854739). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Bennett County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.