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WASHINGTON (AP) -- The world -- especially the Western United States, the Mediterranean region and Brazil -- will likely suffer more extended droughts, heavy rainfalls and longer heat waves over the next century because of global warming, a new study forecasts.
But the prediction of a future of nasty extreme weather also includes fewer freezes and a longer growing season.
The changes are very significant there," Tebaldi said. "It's enough to say we're in for a bad future."
The measurement of warm nights saw the biggest forecast changes. Every part of the globe is predicted to experience a tremendous increase in the number of nights during which the low temperature is extremely high. Those warm night temperatures that should happen only once every decade will likely occur at least every other year by the time we reach 2099, if not more frequently, Tebaldi said.
Warm nights are crucial because Chicago's 1995 heat wave demonstrated that after three straight hot nights, people start dying, Meehl said.