Aug 3, 2023
A large complex of thunderstorms stagnated over parts of southern Illinois, along and north of Interstate 64. Thunderstorms trained across those areas within an environment highly capable of producing high rainfall rates. Precipitable water values ranged between 2 and 2.5 inches, along with modest instability (500 to 1500 J/kg of elevated cape). The axis of thunderstorms occurred northeast of a surface boundary over southwestern Missouri, along an elevated convergence axis. The steering flow was
Source: NOAA National Weather Service Storm Events Database (event 1121613). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Wayne County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.