In the Years 1995-2011 there were an estimated 21,988 tornadoes in the U.S. Statistics for other countries are not available.
There have been 1,338 tornadoes in Georgia since 1970.
Since 1950, the US has recorded more than 57,000 tornadoes. However, since we missed many of the weaker ones, the number is probably closer to 80,000.
In the years 1970-2009 there were 938 tornadoes in North Carolina. Records for 2010 are not yet available.
There were 1,103 tornadoes in the U.S. in 2006.
There were 94 tornadoes in Alabama in 2008.
There were 105 tornadoes in Iowa in 2008.
15 tornadoes occurred in Michigan in 2011.
There were 20 tornadoes in Ohio in 2014.
There were 1235 tornadoes recorded in the U.S. in 1995
There were 16 confirmed tornadoes in Arkansas in 2007.
There were 1,817 tornadoes recorded in the U.S. in 2004.
It is possible. Keep in mind, however, that records of weak tornadoes that occurred before the late twentieth century are inconsistent an unreliable. Many tornadoes that probably occurred were never documented. Calgary is in an area where tornadoes are rare, though, so it is possible than none have struck the city since it was built.