The Prairie Storm Chasers have turned a passion into a life-saving mission. Social Sharing CBC · These storm chasers track tornadoes in the Dominator: Wild Canadian Weather The Nature of Things2 months ago 4:29 A passion for the weather fuels the Prairie Storm Chasers who drive around in an aerodynamic vehicle that looks as if it belongs to Darth Vader, and issue warnings to the public.4:29 comments Every year, about 80 tornadoes touch down in Canada. These devastating winds are spawned from supercells, massive spinning storms that form when hot summer air breaks into the cold atmosphere. While satellites are often used to forecast the weather it can be impossible to see tornadoes this way — the clouds are too thick. So, the only way to get reliable tornado warnings is to get close.