Average Number of Tornado Incidences per Year (U.S.)
North AmericaPhysical EnvironmentTornado prevalence in the United States per 1,000 square miles per year
Tornado ArchiveA 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.
Less than 1 | 1–5 | 6–10 | 11–15 | More than 15 | Class | Rank | Percent | Evergreen forest | Deciduous forest | Water | Mixed forest | Shrublands | Savannas | Grasslands | Permanent wetlands | Urban and built-up | Cropland and natural vegetation | Snow and ice | Barren or sparsely vegetated | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
65.3% | 51.1% | 35.9% | 21.6% | 5.21% | 14.5% | 19.2% | 1.92% | 8.00% | 25.6% | 10.8% | 13.6% | 11.2% | 1.28% | 15.7% | 6.41% | 2.18% |
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