May 16, 2019
A slow, south moving cold front and an outflow boundary from morning thunderstorms over northern Illinois, combined with a hot and humid environment to produce widespread showers and thunderstorms across eastern Iowa and northwest Illinois overnight. Several thunderstorms became severe, and produced large hail and damaging winds. Quarter sized hail was reported across Clinton and Iowa counties, while destructive winds of 70-90 MPH were reported Iowa and Washington Counties. |In addition, torrent
Source: NOAA National Weather Service Storm Events Database (event 825621). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Johnson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.