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

Super cell theory states that tornadoes form when horizontal spinning air in the storm updraft is tilted vertically by a ...

Spawned by rotation within a thunderstorm itself, a tornado can range in width from a few metres to a few kilometres. The strongest tornadoes can pack winds in excess of 320 km/h.

One of the tornadoes that hit Frobisher produced EF-2 damage with estimated winds of 195 km/h along a path measuring 12.5 km long. This tornado damaged trees, power poles, oil tanks, and grain ...

A tornado touched down in central Alberta on Wednesday, cutting a path through a treed area, but apparently sparing the area from any more serious damage. Environment and Climate Change Canada ...

The deadliest tornado ever recorded in Canada swept through Regina , Sask., late in the afternoon on June 30, 1912. The twister, estimated to have caused F4 damage on the old Fujita Scale, claimed ...