Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually spawn these rotating columns of air. Supercells are severe thunderstorms with intense, rotating ...

Conceptual diagram of the influence of horizontal vortex tubes on tornado genesis and development during the intensification stage: (a) the effect of horizontal vortex tubes on tornado rotation; (b) ...

One muggy day in July 1986, a news helicopter was recording footage of a festival in Minneapolis when the pilot and photographer glimpsed a tornado over nearby Brooklyn Park. They moved toward it, ...

Tornadoes have caused severe disasters around the world, and have been one of the most violent and damaging natural hazards to human life and property. Experimental simulation of tornado-like vortices ...

AMES, Iowa – The Iowa State University Tornado Simulator kicked up a thick and slowly spinning funnel cloud over a model of a small town, overwhelming the miniature streets, buildings and homes.