Over a 20-year period, atmospheric rivers could double the amount of rain falling on part of the Southeast, the researchers found.By Chad SmallIt makes sense that atmospheric rivers would flood West Coast headlines as well as its coastlines. Eighty percent of all West Coast flood damage is attributable to these immense highways of water vapor, which can drench Central California with a season’s worth of rain or freeze Seattle in place with a blizzard. Damages to Pacific states from the surges of precipitation can add up to about a billion dollars annually.

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