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Climate Change Will Cause More Extreme La Ninas, Research Shows

Pacific Ocean La Nina events that trigger droughts in the U.S. Southwest, floods in China and raise the chances for tropical systems in the western part of the basin, as well as in the Atlantic, will likely occur twice as often due to greenhouse warming, according to a paper published in Nature Climate Change.

Research has shown that global warming has increased the numbers of extreme El Nino events, when the equatorial Pacific warms, as well as changes where those incidents occur, the paper published on Monday showed. Strong La Ninas will follow those warming episodes as the ocean reacts to the heating.