Tornado Information for Grand River Township, Iowa
Grand River Township, IA is a Moderate Risk area for tornados. According to records, the largest tornado in the Grand River Township area was an F4 in 1984 that caused 64 injuries and 3 deaths. *Tornado risk is calculated from the destruction path that has occured within 30 miles of the location.
Risk Level: Moderate
Yearly Avg. of Tornados in Grand River Township, IA
1
Yearly Avg. of Fatalities in Grand River Township, IA