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MapMaster 3

Atlas (Beta)
MapMaster 3

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

Tornado Archive

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.)

Change in Urbanization

Chromium Mines

Sulfur Dioxide (SO₂) Emissions

Less than 1

1–5

6–10

11–15

More than 15

Class

Rank

Percentage of annual change

Chromium Mines

U.S. Presidential Election: Popular Vote by County, 2008

Class

Rank

Kilotons per year

65.3%51.1%35.9%21.6%5.21%48.333333333333336
0.16.0