These types of thunderstorms are notable for spawning some of the most severe weather. "What makes a supercell unique from all other thunderstorm types is that it contains a deep and persistent ...

The images below may seem like something from out of this world, but they are actually rare thunderstorm clouds called a supercells. The colossal storm systems center on mesocyclones, which are ...

A giant storm system captured on video over Montana looks like a giant spaceship descending on earth. But it’s actually a unique type of severe storm system called a mothership supercell.

The supercell, king of thunderstorms, disruptor of the Great Plains, is a dangerous weather threat wherever it forms. Tornadoes, flooding, enormous hailstones, damaging winds and lightning are some of ...

It looks like something from the film Independence Day. But although it may seem like an alien mothership, this incredible picture is actually an impressive thunderstorm cloud known as a supercell.

Eastern Australia has been rolling in storms this week with the potential for widespread flooding and dangerous weather events known as supercell thunderstorms. Supercells are the biggest and baddest ...

It began at about noon near Babb. It broke up over the Highwood Mountains. Over its 193-mile, southeasterly journey across northcentral Montana it produced dark and otherworldly-looking skies and left ...