This video captures the formation and movement of a powerful supercell thunderstorm west of Lubbock, Texas. It showcases ...

Thunderstorms need moisture, energy — which meteorologists call instability — and some sort of lift to form. Usually, the lift comes from cold and warmer air masses colliding along a line called a ...

Supercell thunderstorms are the least common type of thunderstorm, but they are the most likely to produce severe weather and become dangerous. According to the National Weather Service, supercell ...

Severe storms eyeing the Chicago area Tuesday have the potential to produce supercells, considered to be one of the most powerful types of storm. But what exactly are they and what makes them so ...

Spring in Kansas City means thunderstorms and sometimes even tornadoes. Rarely, the Kansas City area sees a rare type of thunderstorm known as a supercell. A supercell is a large thunderstorm that has ...

Severe storm threats today and Friday, then a powerful system brings widespread rain and mountain snow through the weekend.

Environment Canada confirmed a tornado touched down and said the storm developed suddenly, with no watches or warnings issued ...

CORDELL, Okla. — Last Saturday afternoon, the air here smelled sweet and fresh. A mother ship supercell — a kind of rotating thunderstorm — loomed to my west. Raindrops began to fall that looked like ...

A supercell is a large thunderstorm that has a deep and persistent rotating updraft. It looks like a very tall storm cloud that has an anvil or elongated cloud at the top, according to the National ...