Tornado Alley

Rare card · No. 30135

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 project to study severe weather in portions of Texas, Louisiana, Oklahoma, Kansas, South Dakota, Iowa and Nebraska. Tornado climatologists distinguish peaks in activity in certain areas, and storm chasers have long recognized the Great Plains tornado belt. The term is colloquial; there are no definitively set boundaries of Tornado Alley. The area common to most definitions extends from Arkansas, Illinois, Indiana, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Ohio, Oklahoma, South Dakota, Texas, Wisconsin, and eastern portions of Colorado, New Mexico and Wyoming. Research suggests that the main alley may be shifting eastward away from the Great Plains. Tornadoes are also becoming more frequent in the northern and eastern parts of Tornado Alley, reaching the Canadian Prairies...

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