Canada’s only F5 tornado hit the ground near Elie, Man., on June 22, 2007.

The theories of tornado formation

Even with the very best of modern technology, the definitive answer hasn’t been found

Even with the very best of modern technology, we’re still not sure about the science behind how tornadoes form.









3D Rendering of a tornado into withered corn field next to utility poles
 Photo: BrilliantEye/IStock/Getty Images

Types of tornado mimics

What spin like a tornadoes, but aren’t tornadoes? A number of weather phenomenon fit the description

Not everything with spinning winds on the Canadian Prairies is a tornado. From dust devils to cold-core funnel clouds, there are a number of weather phenomenon that fit the description.



The sky darkens over central Manitoba after a hot summer day. PHOTO: ALEXIS STOCKFORD

Thunderstorms and straight-line winds

Straight-line winds in thunderstorms can cause as much damage as a tornado

Straight-line winds in thunderstorms can cause as much damage as a tornado and are next on our weather school list exploring how and why severe summer weather forms.