May 26, 2016
As a stronger upper-level storm system moved into the high Plains during the day on the 26th, a warm front rapidly moved north from Kansas into southeast Nebraska and southwest Iowa bringing warm and unstable air into the region. Thunderstorms developed along the advancing warm front by early afternoon and persisted into the evening. Thunderstorms concentrated along the warm front over southeast Nebraska and southwest Iowa, which led to some heavy rainfall and flash flooding in parts of the area
Source: NOAA National Weather Service Storm Events Database (event 629209). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lancaster County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.