Nov 18, 2013 — It was a deadly combination: Winter jet streams collided with warm and moist air. Twisters flattened subdivisions in Washington, Ill., and tore through farming communities. The destruction spread to other states across the upper Midwest. Six deaths have been reported in Illinois, two in Michigan.
May 3, 2012 — Last year, tornadoes claimed the lives of more than 500 people in the U.S. Some safety advocates say protecting your head with a sturdy helmet could help reduce injuries and deaths. The Centers for Disease Control and Prevention says it's unaware of evidence in favor of helmets, but it acknowledges people may want to use them to protect themselves against head injuries.
Sep 13, 2011 — It's very unusual for so many disasters to have hit so many states in a single year. The only ones not on the list: Michigan and South Carolina.