There may be a limit to how well researchers can understand and predict these storms, Markowski says. “When it comes tornadoes, I think we’re kind of butting up against chaos.” ...

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.

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 ...

Last night's severe weather kicked off a flood watch in Ohio, but tornadoes can form any time. Here's what to know about them and how they form.

How do tornadoes form? Tornadoes always form in supercell thunderstorms, but not all supercells make tornadoes. An unstable atmosphere that holds warm air near the ground and dry, cold air above it ...

FAYETTEVILLE, Ark. (KNWA/KFTA) — April 10, 1929, was the day the only documented F5 tornado occurred in Arkansas. It stretched from southern Batesville to north of Swifton and southern Alicia.

Often, we’ll run several models, referred to as ensembles. For instance, if nine out of 10 models produce a tornado, we know there’s a good chance the storm will produce tornadoes.

In 1994, a host of scientists hoping to understand where tornadoes got their rotation began a multiyear campaign named Verification of the Origins of Rotation in Tornadoes Experiment, or VORTEX.

Knowledge How do tornadoes form? Tornadoes, one of nature’s most violent storms, can last anywhere from just a few minutes to several hours.

The most catastrophic date for tornadoes in Ohio was April 3, 1974, as 16 tornadoes touched down, including F5-strength storms in Green, Clark, and Hamilton counties that led to 39 deaths and ...