Technical Investigation of the May 22, 2011 Tornado in Joplin, Missouri

Nov 1, 2013

This is the final report of the National Institute of Standards and Technology (NIST) investigation of the May 22, 2011 tornado in Joplin, Missouri, conducted under the National Construction Safety Team Act. This report describes the wind field of the tornado and how the wind pressures and windborne debris damaged and destroyed thousands of buildings; the emergency communications before and during the tornado and how the public responded; the influence of tornado hazards and public response and building and designated shelter area performance on survival and injury; and areas of current building and emergency communications codes, standards and practices that warrant revision.

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