Monday, June 28, 2021

NIST News. Major New Building Standard Can Map Out Tornado Threat for the First Time. June 2021



Major New Building Standard Can Map Out Tornado Threat for the First Time

Tornado threat map of the U.S. has lines defining certain regions in the center of the country.

Of the natural hazards in Mother Nature’s arsenal, tornadoes are some of the most vicious. But while other hazards are regularly considered in building designs, tornadoes have not been part of the equation for most structures in the United States, even in highly tornado-prone regions. Now, an upcoming edition of a critical building standard gives tornadoes some much needed attention.

The American Society of Civil Engineers (ASCE) has released a draft version of the 2022 edition of ASCE 7 for public feedback ahead of its final publication in December. This building standard helps engineers determine the loads (or forces) their building should be able to withstand, whether from a hurricane, earthquake, flood or snow. With the new edition, tornadoes may soon join that list, thanks to research spearheaded by the National Institute of Standards and Technology (NIST).

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Collage illustration for Joplin tornado shows damaged buildings on a green background.The Joplin Tornado: A Calamity and a Boon to Resilience, 10 Years On

May 21, 2021
For many residents of Joplin, Missouri, May 22, 2011, started out like any other Sunday. People attended church services and ate at restaurants with friends and family. Thousands gathered for a high school graduation ceremony.

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