Huge tornado twisting across fields as storm-chasers watch in awe

Chad is a storm-chaser and photographer based in Kansas City, who keeps more than 9,000 Twitter followers up to date on his adventures. Between April and June, the Lone Star State is home to some of the most severe and consistent storm weather in the States.A tornado is a violently rotating column of air that is in contact with both the surface of the earth and a cloud.Most tornadoes have wind speeds less than 110mph, are about 80 metres across, and travel a few miles before dissipating.

More extreme tornadoes can reach speeds of more than 300mph, stretch more than two miles across, and stay on the ground for dozens of miles.

The storm in the footage produced three twisters in the space of a few hours – two of which came in quick succession.