Jun 1, 2010
A cold front moved into Iowa from the northwest, while a warm front pushed into the southwest part of Iowa from the south during the afternoon and evening hours. Initially the airmass was very dry, however a strong push of moisture increased surface dew points into the upper 60s to low 70s by mid afternoon. Precipitable water values increased to 1.25 to 1.5 inches. The atmosphere destabilized by mid to late afternoon. Most unstable CAPE increased to 5000 J/kg as the lifted index fell to -9 t
Source: NOAA National Weather Service Storm Events Database (event 223184). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Guthrie County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.