Tornado Outbreaks on the Rise

Is it connected to climate?

By Eric BetzMar 10, 2017 6:00 AM
tornado - shutterstock
(Credit: Dan Ross/Shutterstock)


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Just one twister can cause devastation. But when outbreaks bring dozens of tornadoes over days, they can leave a path of death and destruction across vast regions. And new research shows tornado outbreaks are getting more dangerous: More tornadoes are hitting during each round, even though the overall annual number of American twisters hasn’t changed. Scientists aren’t sure yet if there’s a climate change connection, or whether things will continue to get worse.

(Credit: Dan Bishop/Discover after Tippett et al. 2016 Science)

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