Supercells are the powerhouses of thunderstorms, they are capable of producing large hail, damaging winds, and long track tornadoes. What makes a supercell so special?

Much of eastern Ohio and western Pennsylvania had a few rounds of storms on Wednesday, and one storm in particular produced ...

Dramatic time-lapse footage of supercell tornado touchdown What is visible on the ground as a tornado is actually a "very small extension" of the larger rotation within these thunderstorms.

This rotation is key to the supercell’s structure and strength. Here’s how it forms: Wind Shear – Supercells need strong wind shear, or a change in wind speed and direction with height.

This rotation is key to the supercell’s structure and strength. Here’s how it forms: Wind Shear – Supercells need strong wind shear, or a change in wind speed and direction with height.

What makes a supercell unique from all other thunderstorm types is that it contains a deep and persistent rotating updraft called a ... "There are many ideas about how this rotation begins.

The same rotation responsible for the supercell’s structure and the creation of giant hail also plays into the formation of intense tornadoes. A hook echo on radar is bad news for communities in ...

That rotation then gets pulled up into the cloud, forming a landspout. They do not form from a supercell thunderstorm. Eastern Colorado is one of a few places in the country to see a lot of ...

Rotation: Very likely with sometimes strong rotation throughout the thunderstorm Threats: Tornadoes, large hail, and damaging winds. Heavy rain and lightning are a given.