Jul 17, 2019
A complex of thunderstorms developed during the evening across western South Dakota, moving east and becoming more organized as the low-level jet increased focus into south central and southeast South Dakota late at night. Deep-layer effective shear reached 35 to 45 knots with MUCAPE to 2000J/kg. 0-3km shear was 25 to 35 knots, largely normal to the orientation of the convective line. A large-scale bowing segment evolved quickly with a long track of damaging wind across southeast South Dakota in
Source: NOAA National Weather Service Storm Events Database (event 847394). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Woodbury County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.