What is the difference between a funnel cloud and a tornado ... or "wind shear," will aid in creating supercell thunderstorms and tornadoes are possible. All tornadoes are spawned from a parent ...

Supercell thunderstorms are known for their devastatingly gnarly tornadoes, but exactly how the twisters form is poorly understood. A new study suggests that scientists could glean hints with a ...

A supercell is a highly organized thunderstorm with some components that set it apart from other "garden variety" thunderstorms. Supercells have the capability to produce tornadoes, damaging hail ...