Yes, in fact Canada's deadliest tornado (commonly called the Regina Cyclone) was in Saskatchewan.
Yes there will be a tornado in Ontario, Manitoba, Alberta, or Saskatchewan as those provinces have all had tornadoes before. Ontario, Alberta, and Saskatchewan have all had F4 tornadoes and Manitoba has even had an F5. However there is no way of knowing where or when they will touch down.
Alberta and Saskatchewan
No, Saskatchewan does not have any mountains. The landscape is flat with few trees and is called the prairies. Northern Saskatchewan is all forests and Southern Saskatchewan is flat land.
tornadoes can occur anytime and any where
Tornadoes are not constructive in any way.
No. No.
Yes, There are hundreds of tornadoes every year.
No. Tornadoes cannot be controlled.
Tornadoes do not have names, but they are sometimes referred to by where they hit. Two significant tornadoes that hit places beginning with "R" are the Regina, Saskatchewan tornado of 1912 and the Rochester, Minnesota tornado of 1883. A less significant but more recent deadly tornado was the Raleigh, North Carolina tornado of 2011.
Yes and no north in Midwest has barely any tornadoes but south has many tornadoes
It depends on what you mean by extreme. Tornadoes of EF4 and EF5 tornadoes, however are often referred to as violent tornadoes. These account for about 1% of all tornadoes.
Yes, tornadoes can occur at any time of year.