Tornado Alley
Videos
Tornado Alley, also known as Tornado Valley, is a loosely defined location of the central United States where tornadoes are most frequent. The term was first used in 1952 as the title of a research pr
The 2013 Moore tornado, an EF5 tornado, formed in Oklahoma, which is located in Tornado Alley
The destruction of a school bus after an outbreak in Tornado Alley
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
Tornado Alley
…cool to cold, dry air from Canada and the Rocky Mountains. This creates an ideal environment for tornadoes to form within developed thunderstorms and supercells. The term "tornado alley" was first used in 1952 by U.S. Air Force meteorologists Major Ernest J. Fawbush (1915–1982) and Captain Robert C. Miller…
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