Jul 5, 2000
A very unstable airmass was over Iowa during the morning hours of the 5th. CAPE values were well over 4000 J/kg at sunrise with lifted indices near -10 C. Thunderstorms erupted in two clusters around 1200 UTC. The first cluster went up over north central Nebraska, the second over northwest and west central Iowa. The cluster over Iowa produced VIL levels of 80 kg/m/m over west central Iowa. Even with the VIL values so high, only pea size hail occurred with the cell. As the morning progresse
Source: NOAA National Weather Service Storm Events Database (event 5152350). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Union County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.