There were 129 tornadoes in Texas in 2009.
A total of 9 tornadoes hit California in 2011.
Yes tornadoes can and have happened everywhere in Canada and the U.S. Basically anywhere in California can be hit even if it is rare.
There have been many F4 and EF4 tornadoes. Tornadoes of this intensity have been known to hit the U.S., Canada, Mexico, The UK, Germany and are believed to have struck a number of others. The link below shows the locations of F4 and EF4 tornadoes in the U.S. from 1950 through 2010.
about 80 tornadoes each year
33 F3 tornadoes have hit Florida since 1950.
Tornadoes can occur virtually anywhere in North American except, perhaps, the northernmost reaches of Canada and Alaska.
an average of 20 tornadoes per year
There were 16 tornadoes in Wisconsin in 2009.
There were 30 tornadoes in Florida in 2015.
There were 49 tornadoes in Virginia in 2011.
There were 31 tornadoes in Tennessee in 2010.