Jul 9, 2020
Storms that developed in the early afternoon took advantage of the very high instability and had no trouble becoming strong, and even severe, in a short amount of time. Storms initially formed along and north of the Highway 30 corridor in eastern Iowa, produced widespread damage to crops in Buchanan and Delaware counties, and eventually went on to produce a wind gust near 60 mph at the Dubuque Regional Airport. Storms across this area eventually merged and slowed down, leading to localized rainf
Source: NOAA National Weather Service Storm Events Database (event 903192). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Dubuque County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.