Aug 7, 2007
A very moist and unstable airmass remained in place over Iowa with CAPE values in the 3000 to 4500 J/kg range and lifted index values around -8 C. A boundary extended nearly east to west across the southern half of Iowa during the day from the previous night's convection. High temperatures reached the low 90s south of the boundary with mid to upper 80s to its north. Dew points were in the low to mid 70s. Deep moisture was in place with precipitable water values in the 2 to 2.25 inch range.
Source: NOAA National Weather Service Storm Events Database (event 38621). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Warren County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.