Supercell thunderstorms are the least common type of thunderstorm, but they are the most likely to produce severe weather and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Lightning flashed from a supercell as it moved near Cresson, Texas, on Wednesday, March 4, amid a warning from the National ...

Add Yahoo as a preferred source to see more of our stories on Google. A dramatic supercell hung over Springfield, Colorado, as the National Weather Service (NWS) warned of severe thunderstorms on ...

Impressive video captured the intensity of one of weather’s powerful phenomena: a supercell. This was no ordinary ...

A line of storms that moved across northern Texas brought damaging wind gusts on Wednesday evening, April 1, along with the ...

Follow extreme storm chasing as it captures powerful supercell thunderstorms, tornado formations, intense lightning, massive ...

A National Weather Service survey team has confirmed an EF-1 tornado touched down Thursday evening in Williamstown.

Supercell thunderstorms are dangerous severe storms that unleash destructive hail, roaring winds and powerful tornadoes. They are responsible for nearly all of the United States’ most violent ...