Hurricane Lee went from barely a hurricane at 80 mph to the most powerful Category 5 hurricane with 155 mph winds in 24 hours in September.
are now more than twice as likely as before to rapidly intensify from wimpy minor hurricanes to powerful and catastrophic, a study said Thursday.
Those are the most extreme cases, but the fact that the rate of such turbocharging has more than doubled is disturbing, said study author Andra Garner, a climate scientist at Rowan University in New Jersey.When storms rapidly intensify, especially as they near land, it makes it difficult for people in the storm’s path to decide on what they should do — evacuate or hunker down.
“We’ve had 90% of the excess warming that humans have caused to the planet going into our oceans,” Garner said. It’s not just the cases of extreme rapid intensification. Garner looked at all storms over different time periods and found that in general they’re intensifying faster than they used to. Previous studies had found an increase in rapid intensification. Garner’s study was statistically meticulous in confirming what scientists had figured, said Karthik Balaguru, a Pacific Northwest National Lab climate scientist who last year had a paper demonstrating how storms near the Atlantic coast are intensifying faster before landfall than they did in the 1970s and 1980s.
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