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 ...

The Sunday tornado near Ashby has set a record as the widest tornado ever surveyed in the North Platte National Weather ...

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 ...

(Representational Image) Southern Ontario braces for summer-like temperatures and severe thunderstorms as a Colorado low moves in, with risks of hail, strong winds, and isolated tornadoes.

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

As Senators Chris Van Hollen, Cory Booker, and Congresswoman Alexandria Ocasio-Cortez are showing, there is huge political ...

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 ...

LUBBOCK, Texas (KCBD) - 10 tornadoes moved across parts of the Rolling Plains northeast and east of Lubbock on the evening of ...