Develop nationally accepted performance-based standards for tornado-resistant design of buildings and infrastructure, as well as design methods to achieve these standards.Ģ. The key recommendations where implementation is likely to have the greatest impact on life safety in future disasters include:ġ. The NIST report made 16 recommendations for improving how buildings and shelters are designed, constructed, and maintained in tornado-prone regions and for improving emergency communications. Another important finding was the majority of decision makers, who eventually decided protection was necessary, did so only after receiving intense cues from the environment. The team studied the impact of emergency communication by looking at tornado fatalities located outside of designated refuge areas, and noted the lack of awareness and perception there was personal risk. The article, “Lessons from the 2011 Joplin tornado,” highlighted the broad range of building systems affected by the tornado – and that the buildings did not protect the occupants. The study was the first comprehensive look at tornado impacts under the auspices of the National Construction Safety Team Act, a law giving NIST the same powers to investigate building collapses as at the NTSB has with aircraft accidents. The September 2014 issue of Natural Hazards Observer features the findings of a National Institute of Standards and Technology (NIST) team, including NSSL’s Dave Jorgensen, that investigated the tornado in Joplin, Missouri.
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