Aug 21, 2007
Moisture from the remnants of Tropical Storm Erin interacted with a stationary front to cause heavy rain producing thunderstorms over portions of northern Ohio. The thunderstorms trained across Wyanodot, Hancock, Crawford and Richland Counties during the early morning hours of August 21st. Catastrophic flooding occurred in all of these counties.
Source: NOAA National Weather Service Storm Events Database (event 57689). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Knox County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.