Supercell
Videos
A supercell is a thunderstorm characterized by the presence of a mesocyclone, a deep, persistently rotating updraft. Due to this, these storms are sometimes referred to as rotating thunderstorms. Of t
A low precipitation supercell in rural Northeast Colorado.
Supercell with a strong Mesocyclone in North texas.
Supercell in Piracicaba, southeastern Brazil, on June 27, 2025, featuring a mesocyclone, a tail cloud, and a developing downdraft/rain curtain on the left.
A low precipitation supercell near Greeley, Colorado
Tornado climatology
Videos
Tornadoes have been recorded on all continents except Antarctica. They are most common in the middle latitudes where conditions are often favorable for convective storm development. The United States
Areas worldwide with the highest frequency of tornadoes are indicated by orange shading.
Tornado damage in Bangladesh
Canada's only confirmed F5 tornado occurred in Elie, Manitoba, on June 22, 2007.
Diagram explaining the weather systems that contribute to increased tornado frequency in South America's Tornado Alley (in red)