Yes. In the U.S. about 60 people are killed on average by tornadoes. This means your chances of dying in a tornado in any given year are about 1 in 5 million.
It is not known. Only four storm chasers have ever been killed by a tornado, and all of them were killed in the same event in 2013. One fatal event does not provide enough datato calculate the probability of dying, though it does appear that the chance is very small.
The last tornado to hit Seattle was in 1971.
It is rare for tornado to actually merge, and when it does happen it usually involves a large tornado absorbing a smaller one. In the rare cases that tornadoes do merge they simply form one bigger tornado.
yes but they are really rare
No. Tornadoes are rare in Arizona.
The rarest rating for a tornado is EF5. Less than one tornado in every thousand receives such a rating.
On rare occasions winds in a tornado can get to a little over 300mph.
Yes. On rare occasions tornadoes have been known to merge with one another.
Yes. A tornado can move in any direction, though tornadoes that move westward are rare.
Weather Caught on Camera - 2011 Rare Canada Tornado was released on: USA: 23 March 2011
Yes. It is possible for tornadoes to merge and form a larger tornado, though this is a fairly rare occurrence.
Yes. Tornadoes in that region are rare, but they do happen.