Five historic floods in five weeks across the U.S.
From the Watch Now: Five historic floods in five weeks across the US, and more of today's top videos series
Researchers says our warming atmosphere is increasing the odds of more intense storms and damaging flash floods.
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Five '1-in-1000 year' floods have occurred five times across the U.S. this past month, a dog…
Five '1-in-1000 year' floods have occurred five times across the U.S. this past month, droug…
