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Progress Report National Institute of Standards and Technology (NIST); Technical Investigation of the May 22, 2011, Tornado in Joplin, Missouri (NISTSP 1139)



Erica D. Kuligowski, Franklin T. Lombardo, Long T. Phan, Marc L. Levitan, David P. Jorgensen


On June 29, 2011, the National Institute of Standards and Technology (NIST) announced that it would conduct a technical investigation of the tornado that struck Joplin, MO, on May 22, 2011. In November 2011, NIST released a draft plan for the study and briefed the National Construction Safety Team (NCST) Advisory Committee on the progress of the investigation in a meeting that was open to the public. The final investigation plan, released in May 2012, can be found at This report summarizes the progress NIST has made and the cooperation it has received from a variety of organizations in conducting the study.
Special Publication (NIST SP) - 1139
Report Number
Created November 15, 2012, Updated January 27, 2020