Sep 21, 2016
Thunderstorms with high winds and extremely heavy rain moved across northeast Iowa during the evening of September 21st into the early morning of the 22nd. Winds of 60 to 70 mph occurred near Rockford (Floyd County) and Nora Springs (Floyd County). A small tornado touched down west of Nashua (Floyd County) and produced some crop damage. Flash flooding caused water to cover most roads over the southern two-thirds of Floyd County along with the southern sections of Chickasaw County and mudslides o
Source: NOAA National Weather Service Storm Events Database (event 658559). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Allamakee County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.