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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Brumar89 who wrote (1042778)	12/13/2017 2:22:16 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 1576851

Gee, what a surprise. Global Warming Likely Made Hurricane Harvey's Rainfall More Intense, Studies Find By Associated Press2 hours agoweather.com 00:21 / 01:05 01:05 2017 Hurricane Season Costliest on Record Hurricane season just ended, and we’re glad to see it go! At a Glance Aspects of Hurricane Harvey were made more extreme by global warming, new research has revealed.The scientists were clear to specify that this doesn't mean global warming created Harvey; rather, it made the storm worse.The research also revealed global warming made hurricanes Irma and Maria more extreme. Hurricane Harvey's record rains were likely made more extreme by global warming, scientists have confirmed in new research. The scientists were sure to clarify that the warming world did not create the storm; rather, the warmer, wetter world made it three times more likely that the stalled storm would create the severe, deadly flooding in Houston. The researchers also said some aspects of hurricanes Irma and Maria were worsened by global warming. Their findings were presented and discussed Wednesday at the American Geophysical Union meeting in New Orleans. (MORE: Complete Recap of Hurricane Harvey) The Harvey studies used a combination of established and new techniques. An international team used computer simulations and decades of past observations to estimate the odds for the record rainfall that came with Harvey over a period of three days in August with and without global warming. By comparing those two, they concluded global warming tripled the likelihood for the deluge, which reached more than 50 inches in one location. Based on Houston's weather history, researchers said a storm like Harvey would occur about once every 9,000 years. A man looks out on a flooded road during the aftermath of Hurricane Harvey on Aug. 29, 2017 in Houston, Texas. (BRENDAN SMIALOWSKI/AFP/Getty Images) "Did climate change make this event more likely than in the past? Yes," said Karin van der Wiel of the Royal Netherlands Meteorological Institute. Another study by the Lawrence Berkeley National Laboratory used computer simulations to analyze Harvey's downpours over a week and calculated that global warming increased rainfall by nearly 20 percent. Kevin Trenberth of the National Center for Atmospheric Research linked Harvey's downpours to the heat content in the ocean. Most of the heat trapped by greenhouse gases gets absorbed by oceans and that energy serves as fuel for hurricanes and other storms. The ocean heat content was record high in the Gulf of Mexico and elsewhere before Harvey hit. If it had been lower, there would have been much less rain, he said. Changes in the jet stream — the rivers of air that steer weather — led to Harvey's stalling over Houston, unleashing rain, said Kerry Emanuel of the Massachusetts Institute of Technology who presented two studies. While Emanuel wouldn't directly blame climate change on Harvey, he said destructive hurricanes will be more likely in a warmer world. "I think this is a window into the future. I think nature is giving us a foretaste of the future," Emanuel said in an interview. weather.com