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

The National Weather Service emphasizes the importance of distinguishing between radar-indicated and observed tornadoes for ...

The National Weather Service said a supercell has a "high propensity to produce severe weather, including damaging winds, ...

Tornadoes that are produced from supercell thunderstorms are the most common and usually the most dangerous tornadoes, ...

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 ...