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from the 🎶-the-answer-is-blowin'-in-the-wind-🎶 dept.
Twisters are twirling away from Tornado Alley.
From 1979 to 2017, annual tornado frequency slightly decreased over the region, which stretches across the central and southern Great Plains of the United States, a study finds. Conversely, a higher number of storms touched down in areas east of the Mississippi River over the same period, researchers report October 17 in npj Climate and Atmospheric Science.
"The great Tornado Alley is still No. 1 in terms of [overall] frequency," says coauthor Victor Gensini, an applied climatologist at Northern Illinois University in DeKalb. But more tornadoes in communities ill-prepared to face the relatively unfamiliar storms, such as in the southeastern United States, could mean more infrastructure damage and loss of life.
The Deep South should get to work on its tornado shelters?
(Score: 4, Interesting) by stormreaver on Friday October 19 2018, @01:37PM
Hills neither help nor hinder tornadoes. Tornadoes don't usually jump over valleys (the set of complex conditions that support tornadoes can vary), but rather roll down them and up the other side. And hills don't stop tornadoes from forming, though elevation can matter under some circumstances (such as those places on earth that are close to, or above, the storm system altitude).