Tornadoes don't just appear out of nowhere. They need the perfect storm to form. It starts when warm, humid air clashes with cold air, which can generate a powerful thunderstorm known as a supercell.

A look at 60 years of U.S. tornado data revealed that while the number of tornadoes didn’t change, the number of days on which multiple twisters occur has increased.

Few weather phenomena capture the imagination-or instill fear-like tornadoes. These swirling columns of wind can level entire communities in minutes, yet much about their formation remains shrouded in ...

As of Friday afternoon, the U.S. 192 tornado near Deer Park remained the only confirmed twister in Brevard County that was generated by Hurricane Ian.

How do fire tornadoes form? Fire tornadoes occur when intense wind combines with conditions in the atmosphere to produce clouds of smoke that reach 20,000 to 40,000 feet, Swain said.

Seeing a funnel cloud on the horizon is one of the scariest things anyone can witness. But not all tornadoes are created alike. Great differences in how they form, along with their size and shape ...

Tornadoes don't just appear out of nowhere. They need the perfect storm to form. It starts when warm, humid air clashes with cold air, which can generate a powerful thunderstorm known as a supercell.

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 ...

How do tornadoes form? Tornadoes, one of nature’s most violent storms, can last anywhere from just a few minutes to several hours. To stream 13News Now on your phone, you need the 13News Now app.