Relatively common, yes.
Tornadoes are fairly common in Illinois so a tornado in Hanover park is entirely possible.
Yes. Tornadoes are fairly common in Illinois. It's almost in Tornado Alley.
Yes. Tornadoes are not uncommon in Illinois.
There were 73 tornadoes in Illinois in 2011.
There were 123 tornadoes in Illinois in 2006.
There were 52 tornadoes in Illinois in 2009.
The average number of tornadoes in Illinois are 27
Yes, tornadoes are not uncommon in northern Illinois. One the most notable of these was the F5 tornado that struck Plainfield, Illinois, not far from Chicago, on August 28, 1990 killing 29 people.
Yes, tornadoes are a serious threat to Illinois. Violent tornadoes (EF4 or stronger) are a farily regular occurence in Illinois. These are the tornadoes that are known for devastating communities.
There were 49 recorded tornadoes in Illinois in 2008.
There were 55 confirmed tornadoes in Illinois in 2000.
There were 48 recorded tornadoes in Illinois in 2010.