File:Annual tornado activity in the United States over the period 1955–2013.png
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English: 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. |
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The source for the diagram given in the report is U.S. Global Change Research Program: Climate Science Special Report, Fourth National Climate Assessment (NCA4), Volume I, chapter 11.2.2. https://science2017.globalchange.gov/ |
| Author | This figure, “Annual Tornado Activity in the U.S. (1955-2013)”, is a redrawn figure provided by Jeff Trapp. The original figure is found in: Brooks H.E., Carbin G.W., and Marsh P.T., 2014: Increased variability of tornado occurrence in the United States. Science, 346 6207, 349–52, doi: 10.1126/science.1257460. The figure version presented here was adapted from the original as follows: Axes and title were changed, but no changes made to actual figure. |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 13:39, 21 May 2018 | | 996 × 554 (55 KB) | Frankemann (talk | contribs) | User created page with UploadWizard |
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