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4/7/13

Global Warming: NOAA study: Global warming to make downpours more intense - by Ken Kaye

Stormy Rainy Weather Ahead
South Florida, no stranger to heavy rains, could see even more torrential downpours, thanks to global warming.

Much of the Northern Hemisphere will be subject to more extreme rain events because of increasing levels of greenhouse gases, according to a study conducted by the National Oceanic and Atmospheric Administration and published in Geophysical Research Letters, a scientific journal.

“We have high confidence that the most extreme rainfalls will become even more intense, as it is virtually certain that the atmosphere will provide more water to fuel these events,” said Kenneth Kunkel, a senior research professor at North Carolina State University and lead author of the paper.
South Florida averages about 60 inches of rain per year, with about 70 percent of that produced during the rainy season, mid-May through mid-October.

According to the study, a 20 to 30 percent increase in rainfall during torrential downpours is possible “over large portions of the Northern Hemisphere by the end of the 21st century if greenhouse gases continue to rise at a high emissions rate.”

The study was conducted by a team of researchers from the North Carolina State University and NOAA’s National Climatic Data Center in Asheville, N.C., among other agencies.

Read more: NOAA study: Global warming to make downpours more intense - Sun Sentinel

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