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Workweek air pollution intensifies SE rainfall - NASA

A NASA study on rainfall has used satellite data to discover that, in the Southeast at least, air pollution gives summertime storms an extra "kick," producing a tendency for more rain during the work week than on weekends.

The key seems to be the particulate matter in air pollution from cars, factories and other workday sources. Water vapor condenses around these "seeds," and fuels more intense storms, which drop more rain.

You can read more about it here.

Posted by Frank Roylance on February 2, 2008 9:51 AM |
                    

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Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1993, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page.
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