If Canada's tornado alley is shifting east, how can we better prepare?

Researchers say larger tornadoes are still rare in Quebec, but weaker ones, like the one that hit Rigaud, Que., last month are becoming more frequent — and can still cause devastating damage.

If Canada's tornado alley is shifting east, how can we better prepare?
A man looks at a house ripped apart by a tornado.

Researchers say larger tornadoes are still rare in Quebec, but weaker ones, like the one that hit Rigaud, Que., last month are becoming more frequent — and can still cause devastating damage.