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Multiple-vortex tornado

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Multi-Vortex Madness!! (5/9/2016)

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Multi-vortex tornado destroys barn, dances on pond! Alpena, SD Tornado June 18, 2014

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The TORNADOES & STORM That SHOOK UP The World (4K) DIMMITT Texas 04-14-2017

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5-5-19 O'Donnell, TX Multiple vortex tornado grows into one massive wedge tornado

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What is MULTIPLE-VORTEX TORNADO? What does MULTIPLE-VORTEX TORNADO mean?

A multiple-vortex tornado is a tornado that contains several vortices rotating around, inside of, and as part of the main vortex. The only times multiple vortices may be visible are when the tornado is first forming or when condensation and debris is balanced enough so that subvortices are apparent without being obscured. They can add over 100 mph to the ground-relative wind in a tornado circulation, and are responsible for most cases where narrow arcs of extreme destruction lie right next to weak damage within tornado paths.