Jun 26, 2011
A dynamic pattern was once again in place over the central U.S. A strong surge of moisture took place during the day on the 26th, with precipitable water values rising to over 2 inches by evening. The airmass became very unstable with the lifted index falling to around -8 and CAPE in excess of 4000 J/kg. The atmosphere was quite warm with the freezing level between 15,000 and 16,000 feet. CAPE in the -10 to -30 C layer of the atmosphere was around 600 J/kg. Downdraft CAPE was quite high, in
Source: NOAA National Weather Service Storm Events Database (event 305209). 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.