Jun 15, 2011
The atmosphere remained quite unstable as a surface low moved east-northeast across southern Iowa during the evening. The CAPE to the south of the low was around 3000 J/kg, with lifted indices around -6 C. Considerable moisture was available with precipitable water values near 2 inches. The shear was relatively weak with about 35 kts available. Freezing levels were high at around 14,500 feet. Thunderstorms formed along the north to south trough axis associated with the surface low. Some st
Source: NOAA National Weather Service Storm Events Database (event 299509). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Wapello County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.