Born from thunderstorms, tornadoes can cause immense devastation, ripping apart homes and tossing cars like toys. Tornadoes can happen any time of the year, but there are distinct seasons for twisters ...

Storm chasers track down severe weather, from hail to tornadoes. There is a source for all that weather and it's the supercell. How do these systems form?

A supercell is a unique type of thunderstorm characterized by a rotating updraft known as a mesocyclone. The term "mesocyclone" refers to the small-scale circulation occurring in a storm. This is what ...

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GAYLORD, Mich. (WLNS) – Last Friday, a tornado tore through Gaylord in northern Michigan. The twister formed a “supercell.” In today’s Weather Wednesday, we explain what a supercell actually is. The ...

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Rare “low precipitation” (LP) supercells spawned tornadoes across at least two Georgia counties on New Year’s Eve. Even though Friday’s forecast called for severe storms, including tornadoes, it was a ...

We went on the road with scientists crisscrossing the Great Plains, trying to learn how to tell which storms with tornado potential will actually spawn them. Credit... Supported by Photographs and ...

SPRINGFIELD, Mo. - Two days before the monstrous supercells would form, the ingredients for severe weather were brewing over eastern Oklahoma and Kansas. An upper-level system had moved out of the ...