Jason Harris
EF5
Thought people might have some thoughts and speculations of interest on this article.
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http://www.smithsonianmag.com/scien...nging-united-states-climate-change-180953069/
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In the new study, published today in Science, Brooks and his colleagues tallied U.S. storms from 1954 to 2013, leaving out the small F0 twisters. Then they looked at the days on which those storms occurred. They found that the frequency of tornado days has declined over that time. In 1973, for instance, tornadoes formed on 187 days. By contrast, 2011 saw twisters on only 110 days—but nine of those days saw more than 30 tornadoes each.
“In effect, there is a low probability of a day having a tornado, but if a day does have a tornado, there is a much higher chance of having many tornadoes,†the researchers write. Now, about a fifth of a year’s cyclones occur on just three days of that year.
Read more: http://www.smithsonianmag.com/scien...climate-change-180953069/#IfsgEOXHRsCWszHJ.99
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http://www.smithsonianmag.com/scien...nging-united-states-climate-change-180953069/