Kansas, USA: A white tornado column reaching to the ground. Camera zooms in as the tornado hits a dwelling behind trees and debris flies violently in the rotating air.

Manitoba, Canada: A massive black tornado column rotating over a field with dust and debris swirling in the powerful winds.

Manitoba, Canada: A massive black tornado column over a field with debris flying in the wind.

Oklahoma, USA: A huge tornado with a large debris cloud swirling around it seen from a reversing car.

Oklahoma, USA: A fierce tornado tearing through a field lifting up debris and vegetation which swirls around the column of the tornado.

Kansas, USA: A tornado cloud fiercely rotating dust high above ground with debris flying in air. Camera zooms out to show the tornado as it tears through countryside.

Two cleaners sweeping up debris outside a hotel entrance.

Oklahoma, USA: A powerful tornado tearing through a field with dirt spiralling around the tornado column.

Texas, USA: A large tornado forming with lots of dust swirling ominously between the tornado cloud and ground.

Texas, USA: Black tornado clouds gathering in pink sky, a tornado vortice gathers and disappears.

Manitoba, Canada: A large black tornado column fiercely rotating over a field.

Manitoba, Canada: A large tornado with dark clouds rotating powerfully.

Manitoba, Canada: Zoom in toward a massive black tornado. Huge swirl of dust and air rotates over a field ominously.

Manitoba, Canada: A huge black tornado cloud over field, the camera zooms in to show the tornado's three vortices fiercely swirling on the field.

Manitoba, Canada: A huge black tornado with three vortices swirling. The vortices join into one huge tornado and then split into separate vortices again.

A greenhouse structure collapses amongst the wreckage of previously demolished glasshouses.

Manitoba, Canada: A massive black tornado column fiercely rotating over a field.

Manitoba, Canada: A massive black tornado swirling over a field with rain and hail falling.

Manitoba, Canada: Zoom towards a huge black tornado which has several vortices.

Kansas, USA: A white tornado column ripping through countryside.