

The half-mile-wide storm tore up entire neighborhoods in Smithville, Miss. 1 of 7 FILE -In this file photo, the tornado damaged Joplin High School is seen in Joplin, Mo. April 27 was also the day of the first giant twister classified as an EF-5 in three years. The National Disaster Photo Rescue collected and saved roughly 35,000 photos strewn in debris from the May 2011 Joplin tornado. The death toll in Joplin, Missouri, has now topped 118, making Sundays catastrophe the single deadliest.That one storm is thought to have killed more than 200 people, as part of an outbreak that killed more than 300 that day. The deadliest single tornado so far this year was the April 27 twister that devastated Tuscaloosa, Ala.Several state records were broken during the wild weather of April, which included a deadly outbreak of violent tornados across the South. April set a new record for total number of tornadoes in that month.The deadly storm adds to an already record-breaking year for severe weather in the United States" Officials will measure the swath of damage from edge to edge to determine the diameter of the tornado, since it's impossible to measure such things using radar and other meteorological tools. Pictured above is Joplin, Missouri, following the May 22, 2011, EF-5 tornado. Tornado Swarm 2011 airs Sunday, May 29, 9 p.m. (See pictures of a monster tornado in Alabama this past April.). "It's heartbreaking and even more mind-boggling to realize it happened over a very short distance." Joplin, Missouri, Tornado Among Strongest. This gallery also includes photos taken a year later as Joplin continues its recovery efforts. "It was only on the ground a short time, and it caused staggering injuries and fatalities," Boxell said. Images from The Associated Press show the damage done on May 22, 2011, when a tornado struck Joplin, Mo.
