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 | 1β5 | 6β10 | 11β15 | More than 15 | -0.25 to 0.25 | 0.75 to 1.0 | 1.0 to 1.25 | 1.25 to 1.5 | 1.5 to 1.75 | 80 and over inches | 60β79 inches | 40β59 inches | 20β39 inches | 10β19 inches | Under 10 inches | Class | Rank | Million Metric Tons | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
65.3% | 51.1% | 35.9% | 21.6% | 5.21% | 0.311% | 1.20% | 0.159% | 0.444% | 2.10% | 58.7% | 2.48% | 15.0% | 26.8% | 41.2% | 7.90% | ||||
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