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 | Tropical Forests | Class | Rank | Percentage of annual change | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | Chromium Mines | U.S. Presidential Election: Popular Vote by County, 2008 | Bermudian Exclusive Economic Zone | Canadian Exclusive Economic Zone | United States Exclusive Economic Zone (Alaska) | United States Exclusive Economic Zone (Hawaii) | United States Exclusive Economic Zone | French Polynesian Exclusive Economic Zone | Kiribati Exclusive Economic Zone (Line Islands) | |
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65.3% | 51.1% | 35.9% | 21.6% | 5.21% | 1.15% | 0.654% | 3.65% | 47.2% | 4.86% | 6.22% | 9.97% | 14.9% | 48.333333333333336 |