Supercell thunderstorms are responsible for creating tornadoes Tornadoes are born within supercell thunderstorms , an anvil-shaped cloud with a rotating updraft called a mesocyclone.

A supercell thunderstrom in Oklahoma. Image courtesy of NSSL/NOAA. The National Weather Service defines a severe thunderstorm as a thunderstorm that is producing: Hail that is at least quarter ...

Giant supercell thunderstorm terrified residents as it made its way across the High Plains in Nebraska Incredible shots were taken just a day after a team of photographers captured footage of ...

Tornadoes are vortexes of wind that are connected to the base of a thunderstorm, most often an individual supercell thunderstorm. Recent studies have shown that a different kind of tornado can ...

The main threats from thunderstorms that develop on Wednesday will be large hail and damaging winds. The SPC said there is the potential for some supercell thunderstorms to develop across the ...