Jun 15, 2016
Thunderstorms developed north of a warm front across northeast Iowa during the afternoon of June 14th. Initially, these storms produced some wind damage and large hail before they became heavy rain producers that led to flash flooding. A semi truck was blown over by the winds southwest of Monona (Clayton County) and golf ball sized hail fell west of New Hampton (Chickasaw County). Flood waters covered State Highway 9 east of Osage (Mitchell County) and washed out roads between Marble Rock and Ru
Source: NOAA National Weather Service Storm Events Database (event 643551). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Clayton County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.