Figure : exceedances-hires

Annual Tornado Activity in the U.S. (1955-2013)

Figure 9.3

University of Illinois at Urbana-Champaign
Jeff Trapp

This figure appears in chapter 9 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

Annual tornado activity in the United States over the period 1955–2013. The black squares indicate the number of days per year with at least one tornado rated (E)F1 or greater, and the black circles and line show the decadal mean line of such tornado days. The red triangles indicate the number of days per year with more than 30 tornadoes rated (E)F1 or greater, and the red circles and line show the decadal mean of these tornado outbreaks. (Figure source: redrawn from Brooks et al. 2014bbcfa16f-0df0-4d9f-a7d8-b4443b6042c5 ).

Free to use with credit to the original figure source.

This figure was created on September 19, 2016.

This figure was submitted on October 04, 2017.

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