One of the Deadliest Tornados in U.S. History Hits Joplin, Mo (May 22): At least 140 people are killed and hundreds more injured as a three-quarter-mile-wide tornado hits Joplin around dinner time. The tornado is among the deadliest in the nation's history, destroying nearly a third of the city and damaging about 2,000 buildings, including water treatment and sewage plants.
Read more: May 2011 Current Events: Disasters & Science News | Infoplease.com http://www.infoplease.com/news/2011/current-events/science-disasters_may.html#ixzz3BeNhFITY