Tornado outbreak sequence of May 21–26, 2011
On May 22, a large, devastating EF5 tornado tracked through Joplin, Missouri, leaving behind catastrophic damage. It was a multiple-vortex tornado in excess of wide. Mainly the southern part of the city was affected with most structures in the area either damaged or destroyed. 162 people were killed along the path through Jasper and Newton counties in Missouri, making it the deadliest U.S. tornado since 1947, and one of the deadliest single tornadoes ever recorded. Among the most heavily damaged structures was St. John's Hospital (pictured right), which later was torn down due to the severity of the structural damage. Damages were estimated at around $2.8 billion (2011 USD).
Tornado outbreak of September 24, 2001
The same storm soon produced a powerful, multiple-vortex F3 tornado in College Park, Maryland. This storm moved at peak intensity through the University of Maryland, College Park campus, and then moved parallel to I-95 through the Beltsville, Maryland, area, where the tornado caused extensive damage to greenhouses and other facilities of the USDA Beltsville Agricultural Research Center. The storm continued on to Laurel, Maryland, where F3 damage was also noted. The damage path from this storm was measured at 17.5 miles in length, and this tornado caused two deaths and 55 injuries, along with $101 million in property damage.