SuperTornado: Anatomy of a Megadisaster

May 22 2011 The Costliest Tornado In American History Struck Joplin Missouri Carving A Milewide Swath Of Destruction And Death Scientists Descended On The City To Find Out What Made This Tornado So Destructive This Film Visits Joplin At The Fiveyear Mark As Its People Continue To Pick Up The Pieces