Huge columns of dust, grass and hay resembling small tornadoes have been spotted whirling across parts of England in the record summer heat. Known as a “dust devil” – sometimes referred to as a “willy ...

The definition of a tornado is a rapidly rotating column of air, but tornadoes aren't the only weather phenomenon that match that description.

A large dust devil was recently spotted swirling near a highway in the El Paso area. Dust devils form in hot, dry conditions when rising warm air begins to rotate. While most are harmless, stronger ...