John P. Rafferty
Encyclopædia Britannica Editor
Connect with John P. Rafferty
John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to the natural world. Prior to joining Encyclopaedia Britannica in 2006, he held teaching positions at Lewis University, Roosevelt University, and the University of Illinois at Urbana-Champaign.
Primary Contributions (442)
Super Outbreak of 2011, series of tornadoes on April 26–28, 2011, that affected parts of the southern, eastern, and central United States and produced particularly severe damage in the state of Alabama. It was the largest outbreak of tornadoes ever recorded; preliminary estimates suggested that…
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