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Britannica Web sites
Articles from Britannica encyclopedias for elementary and high school students.
- Super Outbreak of 2011 - Student Encyclopedia (Ages 11 and up)
The Super Outbreak of 2011 was a 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 more than 300 tornadoes occurred across 15 states. The number of deaths caused by the outbreak was, according to initial estimates, at least 340. The states affected were Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Tennessee, Arkansas, Missouri, Virginia, West Virginia, Maryland, Indiana, Ohio, and New York.