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Average Number of Tornado Incidences per Year (U.S.)

North AmericaPhysical Environment

Tornado prevalence in the United States per 1,000 square miles per year

A map shows average tornado incidences per year in the U.S. The highest incidences (dark brown) are in Oklahoma, parts of Texas, Kansas, and Missouri. The lowest incidences (light yellow) are in Alaska, Washington, Oregon, and California.

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Average Number of Tornado Incidences per Year (U.S.)					Male-Female Ratio
Less than 1	1–5	6–10	11–15	More than 15	Class	Rank	Ratio of males to females







65.3%	51.1%	35.9%	21.6%	5.21%

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