From 2000 through 2011 there were 669 confirmed tornadoes in Iowa. In addition there is a preliminary count of 16 tornadoes so far in 2012 (as of December 6). This brings the total to 685 tornadoes.
There were 105 tornadoes in Iowa in 2008.
There were 33 confirmed tornadoes in Iowa in 2010.
There were 33 confirmed tornadoes in Iowa in 2010.
There were 105 tornadoes that hit Iowa in 2008.
There have been three tornadoes in Davenport Iowa since records began in 1950.
There were 103 tornadoes in Texas in 2011.
There were 73 tornadoes in Illinois in 2011.
The were 55 tornadoes in Nebraska in 2011.
There were 72 tornadoes in Indiana in 2011.
There were 118 tornadoes in Oklahoma in 2011.
Iowa averages 35 tornadoes every year.