Tornado Alley

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Original run: 28 Apr 2014 – …

Country of origin: US

Network: Weather Channel US

Watched by: 1 of 675 992 0%

Total running time: 15 hours 3 minutes

Episode duration: 43 minutes

Description

The Wizard of Oz movie in 1939 helped Kansas and the Great Plains become known as part of "Tornado Alley" - the region of the United States often visited in late spring and early summer by dangerous, sometimes violent, tornadoes. Part of the reason why is that the "dryline" -- a front separating moist Gulf of Mexico air from dry air from the Southwest -- often sits across these states, helping spawn tornado-producing thunderstorms. The Glossary of Meteorology published by the American Meteorological Society defines "Tornado Alley" as "a term often used by the media to denote a zone in the Great Plains region of the central United States, often a north-south-oriented region centered on north Texas, Oklahoma, Kansas, and Nebraska, where tornadoes are most frequent."


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