This is the summer of flooding across the US, and scientists know why
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This summer, in particular, has been defined by a tragic surge in deadly flash floods across the United States, underscoring the escalating volatility of our warming world.
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For much of the summer, the atmospheric conditions over the US have funneled humid air north from the unusually warm Gulf and western Atlantic, including the Gulf Stream, UCLA climate researcher Daniel Swain told CNN. This has yielded unusually high levels of moisture at all levels of the atmosphere across the US east of the Rockies, Swain said.
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"It is not average precipitation that really is most affected by climate change," Swain said. "It truly is mathematically correct that the more extreme the rain event, the clearer the connection to climate change is."
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