There is no way of knowing.
Tornadoes have been around longer than there have been people to record them.
A Tornado to happen and then it is named after the person that reports it first :-)
A tornado can hit a house, but cannot happen indoors.
There is not such thing as a "chemical tornado" a tornado is the result of thermodynamic physical processes.
Yes. Oklahoma is one of the most tornado prone areas in the world.
It is impossible to predict where the next tornado will occur.
No. A tornado is a vortex of air. There is no air in space.
it is generally impossible to out run a tornado but if you do hooray for you
it will be announced on the radio that a tornado has been spotted in your area
Fathers Day Tornado happened in 2010.
Tornadoes happen every year.
Yes. Tornadoes can happen almost anywhere. The Reading area was affected by an F3 tornado in 1950, an F1 tornado in 1963, and an F2 tornado in 1979.
Yes. There actually was a tornado in Edmonton about 20 years ago.