Millions across the central US face a major severe weather event today and Tuesday, with threats of tornadoes, damaging winds ...

This feature of a severe storm is called a mesocyclone. This large area of rotation in a storm, over time, can send energy down to the ground in the shape of tornadoes. Val Kilmer, 'Top Gun' and ...

Supercells are the powerhouses of thunderstorms, they are capable of producing large hail, damaging winds, and long track ...

There are thousands of thunderstorms in the United States each year, but only a few become strong enough to spin up a tornado ...

A tornado touches down. Morgan Schneider/OU CIMMS/NOAA NSSL Chris Nowotarski, Texas A&M University Meteorologists began warning that extremely dangerous ...

"What makes a supercell unique from all other thunderstorm types is that it contains a deep and persistent rotating updraft called a mesocyclone. If the environment is favorable, supercell ...

The vast majority of violent tornadoes form from supercells, thunderstorms with a deep rotating updraft, called a “mesocyclone.” Vertical wind shear can enable the midlevels of the storm to ...

What makes a supercell unique from all other thunderstorm types is that it contains a deep and persistent rotating updraft called a mesocyclone." NOAA said that supercell thunderstorms can last ...

This rotation, known as a mesocyclone, suggests a tornado could develop, but it has not been visually confirmed. "Radar technology has advanced significantly, allowing us to detect rotation within ...