May 8, 2005
A complicated weather situation was found during the afternoon of the 8th. A large upper level low pressure system was positioned over the western U.S. with a broad south to southwest flow of air over the middle of the nation. Surface low pressure moved across South Dakota during the afternoon. A dry line extended south from the low and tracked across Nebraska. At the same time, a vorticity maximum lifted northeast from Oklahoma into Iowa during the late afternoon hours. Convergence and lif
Source: NOAA National Weather Service Storm Events Database (event 5446283). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pocahontas County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.