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News Link • Natural Disasters

Stormier Paradise: More Hurricanes Predicted for Hawaii

• Becky Oskin via LiveScience
 

Scientists have suggested climate change may mean fewer tropical cyclones in coming years, but a closer look at how global warming affects regional weather patterns reveals Hawaiians should expect more hurricane-force gales.

Tropical cyclones include hurricanes and typhoons, storms that form in the world's tropical latitudes and spin ferociously around a center called an eye. Only eight named tropical cyclones hit Hawaii between 1979 and 2010, said scientists at the University of Hawaii's International Pacific Research Center. But the researchers' new model predicts a two-to-three-fold increase in such storms between 2075 and 2099. The study is detailed in the May 5 issue of the journal Nature Climate Change.

The results illustrate how global warming can lead to strong regional climate differences, the researchers said. "Computer models run with global warming scenarios generally project a decrease in tropical cyclones worldwide. This, though, may not be what will happen with local communities," lead study author Hiroyuki Murakami said in a statement.  

In the Pacific Ocean, tropical cyclones that could threaten Hawaii typically arise off the west coast of Mexico from June through November. But lack of moisture over the Pacific and strong westerly winds usually stop the storms from reaching the islands.

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