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Tornado trends over time

Here is an excellent piece describing trends in tornadoes in the United States over time from Yale Climate Connections. The online title asks if climate change is affecting tornado climatology, and the short answer is “not as far as we can tell now”. There are some trends towards seeing more tornadoes, especially weak ones, that is due to more people watching and documenting them, and some changes in the number of days on which tornadoes occur. There is also a shift towards fewer tornadoes in the Tornado Alley region of the central US and more tornadoes in the Southeast, although the overall numbers still favor the central US by quite a bit.

Source: NOAA