page_title: 2011 Joplin tornado
section_title: Storm track and damage
hierarchical_section_title: 2011 Joplin tornado / Storm track and damage
caption_attribution_description: English: Damage of St. Johns hospital(tower II), with ruins of local theater where 2 people perished in foreground.
context_page_description: The 2011 Joplin tornado was a powerful and catastrophic EF5-rated multiple-vortex tornado that struck Joplin, Missouri, on the evening of Sunday, May 22, 2011. It was part of a larger late-May tornado outbreak and reached a maximum width of nearly one mile during its path through the southern part of the city. This particular tornado was unusual in that it intensified in strength and grew larger in size at a very fast rate. The tornado tracked eastward across the city, and then continued eastward across Interstate 44 into rural portions of Jasper County and Newton County. It was the third tornado to strike Joplin since May 1971.
  Overall, the tornado killed 158 people, injured some 1,150 others, and caused damages amounting to a total of $2.8 billion. It was the deadliest tornado to strike the United States since the 1947 Glazier–Higgins–Woodward tornadoes, and the seventh-deadliest overall.
  It also ranks as the costliest single tornado in U.S. history.
  Insurance payout was $2.8 billion, the highest in Missouri history, with the previous record of $2 billion being the April 10, 2001 hail storm.
context_section_description: The tornado initially touched down just east of the Missouri-Kansas state line near the end of 32nd Street at 5:34 pm CDT (22:34 UTC) and tracked due east, downing a few trees at EF0 intensity. Eyewitnesses and storm chasers reported multiple vortices rotating around the parent circulation in that area. Civil defense sirens sounded in Joplin 20 minutes before the tornado struck in response to a tornado warning issued by the National Weather Service at 5:17 pm CDT (22:17 UTC) for northwestern Newton and southwestern Jasper counties in Missouri, and southeastern portions of Cherokee County, Kansas, but many Joplin residents did not heed them. The tornado strengthened to EF1 intensity as it continued through rural areas towards Joplin, snapping trees and power poles and damaging outbuildings. Widening, the tornado then tracked into the more densely populated southwest corner of the city near the Twin Hills Country Club. It heavily damaged several homes at a subdivision in this area at EF1 to EF2 strength. The tornado continued to strengthen as it ripped through another subdivision just east of Iron Gates Rd. Numerous homes were destroyed at EF2 to EF3 strength at that location, and multiple vehicles were tossed around, some of which were thrown on or rolled into homes.
  The now massive wedge tornado then crossed S. Schifferdecker Ave., producing its first area of EF4 damage as several small but well-built commercial buildings were flattened. Consistent EF4 to EF5 damage was noted east of S. Schifferdecker Ave. and continued through most of southern Joplin. Numerous homes, businesses, and medical buildings were flattened in this area, with concrete walls collapsed and crushed into the foundations. A large steel-reinforced step and floor structure leading to a completely destroyed medical building was "deflected upward several inches and cracked". Steel trusses from some of the buildings were "rolled up like paper", and deformation/twisting of the main support beams was noted. Multiple vehicles were thrown and mangled or wrapped around trees nearby. Several 300-pound concrete parking stops anchored with rebar were torn from a parking lot in this area and were thrown up to 60 yards away. Iowa State University wind engineer Partha Sarkar was able to calculate the force needed to remove the parking stops and found that winds exceeding 200 mph were needed to tear them from the parking lot.
  Damage became remarkably widespread and catastrophic at and around the nearby St. John's Regional Medical Center, which lost many windows, interior walls, ceilings, and part of its roof; its life flight helicopter was also blown away and destroyed. Five fatalities were caused by loss of backup power, and the nine-story building was so damaged that it was deemed structurally compromised, and was later torn down. According to the NWS office in Springfield, Missouri, such extreme structural damage to such a large and well-built structure was likely indicative of winds at or exceeding 200 mph. Vehicles in the hospital parking lot were thrown into the air and mangled beyond recognition, including a semi-truck that was tossed 125 yards and wrapped completely around a debarked tree. Wind-rowing of debris was noted in this area, and additional concrete parking stops were removed from the St. John's parking lot as well. Virtually every house near McClelland Boulevard and 26th Street was flattened; some were swept completely away, and trees sustained severe debarking.
   
  As the tornado tracked eastward, it maintained EF5 strength as it crossed Main Street (SR 43) between 20th and 26th Streets. It heavily damaged every business along that stretch and several institutional buildings were virtually destroyed. It tracked just south of downtown, narrowly missing it. Entire neighborhoods were leveled in this area with some more homes swept away, and trees were stripped completely of their bark. At some residences, reinforced concrete porches were deformed, or in some cases completely torn away. Damage to driveways was noted at some residences as well. Numerous v
caption: EF5 damage to the St. John's Regional Medical Center, which later had to be torn down due to deformation of its foundation and underpinning system.
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