Jul 4, 2010
A very humid airmass was in place over Iowa as southerly flow drew moisture north from the remnants of former Hurricane Alex. Precipitable water values rose to over 2 inches over most of the CWA with most between 2.2 and 2.85 inches. These values represent record high values. Instability was marginal with 1000-2000 J/kg of CAPE available. The atmospheric column was nearly saturated to above the freezing level, which was at 16,500 feet. Very little lightning occurred as the rain was mainly tr
Source: NOAA National Weather Service Storm Events Database (event 229461). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Appanoose County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.