Supercells are the mightiest of the thunderstorms. They can roll for hours while maintaining tornadoes and damaging hail.

A supercell storm along the Mason-Dixon Line brought nearly hurricane-force winds through northern Maryland and southern PA ...

A dramatic supercell thunderstorm erupted south of San Antonio, Texas, captured in stunning high-resolution satellite imagery. Supercells are rare but dangerously powerful storms, capable of spawning ...

Fayette County Sheriff Ronnie Stevens confirms several buildings suffered significant damage with numerous trees toppled as well. Stevens reported there were no injuries from the storm. The National ...

More than 36 hours after a supercell storm tore through northern West Virginia, thousands of people are still without power.

Across Texoma, the rainfall quickly flooded streets and drainage areas while high winds wreaked havoc. Seymour saw trees ...

The National Weather Service says supercell thunderstorms are possible April 28 in central Wisconsin with golf-ball size hail ...

In a video shared by the National Weather Service in Pittsburgh, officials explained that on Saturday evening, a long-lived supercell storm tracked through Ohio, West Virginia, Pennsylvania ...