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nam78_two Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Oct-23-06 06:52 PM
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Climate Extremes are coming
http://www.enn.com/today.html?id=11504


ENN FULL STORY
Climate Extremes Are Coming, Study Says

October 23, 2006 By Seth Borenstein, Associated Press
WASHINGTON -- 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.

In a preview of a major international multiyear report on climate change that comes out next year, a study out of the National Center for Atmospheric Research details what nine of the world's top computer models predict for the lurching of climate at its most extreme.

"It's going to be a wild ride, especially for specific regions," said study lead author Claudia Tebaldi, a scientist at the federally funded academic research center.

Tebaldi pointed to the Western U.S., Mediterranean nations and Brazil as "hot spots" that will get extremes at their worst, according to the computer models.

And some places, such as the Pacific Northwest, are predicted to get a strange double whammy of longer dry spells punctuated by heavier rainfall.

As the world warms, there will be more rain likely in the tropical Pacific Ocean, and that will change the air flow for certain areas, much like El Nino weather oscillations now do, said study co-author Gerald Meehl, a top computer modeler at the research center. Those changes will affect the U.S. West, Australia and Brazil, even though it's on South America's eastern coast.

For the Mediterranean, the issue has more to do with rainfall in the tropical Atlantic Ocean changing air currents, he said.

"Extreme events are the kinds of things that have the biggest impacts, not only on humans, but on mammals and ecosystems," Meehl said. The study, to be published in the December issue of the peer-reviewed journal Climatic Change, "gives us stronger and more compelling evidence that these changes in extremes are more likely."

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Mythsaje Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Oct-23-06 06:54 PM
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1. I know we're seeing more intense summers here in WA state
and last winter had near record rainfall.

Starting to look pretty extreme too a lot of us.
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