Nicholas Snider talks with an expert about how they form and what impacts the strength and intensity of tornadoes.

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, ...

DALLAS — As severe weather season intensifies, WFAA's meteorologists are breaking down the science behind one of nature’s most powerful and destructive forces: tornadoes. Tornado formation begins when ...

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 ...

COLUMBUS, Ohio — It wouldn't be Severe Weather Awareness Week, or for that matter, severe weather season if we didn't spend some time talking about tornadoes. Last year, Ohio set a record for 74 ...

SO TRUE. PREPARATION IS KEY TO SAFETY. WE HEAR ABOUT TORNADOES RATED ON A SCALE EF ZERO TO EF FIVE, BUT WHAT DOES THAT MEAN AND HOW IS THAT DETERMINED? METEOROLOGIST CAITLIN HARVEY EXPLAINS. WITH ...

Tornadoes are among the most powerful and unpredictable natural disasters, forming under specific atmospheric conditions. These violent, rotating columns of air extend from thunderstorms to the ground ...

Most tornadoes form where cold, dry air meets warm, moist air. The moist air is lifted rapidly, and strong winds combine to form a spinning column of air that reaches from a thunderstorm down to the ...