Sep 19, 2010
A quasi-stationary front was located south of Iowa as an upper level shortwave advanced across the area in strong westerly flow aloft. The atmosphere was somewhat unstable, albeit the instability was elevated in nature. Available CAPE was in the 1000 to 2000 J/kg range with lifted indices of -3 to -5 C. Moisture had pooled over the area with precipitable water values in the 1.3 to 1.7 inch range. The freezing level was quite high for mid September at between 14,000 and 14,500 feet. Signific
Source: NOAA National Weather Service Storm Events Database (event 255738). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Adams County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.