Extreme floods are happening way more often than federal data would suggest, analysis shows
By Ella Nilsen, CNN
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By Ella Nilsen, CNN
NOAA’s precipitation expectation model, Atlas 14, is based on backward-looking data and does not incorporate the effects of global warming.
NOAA's precipitation expectation model, Atlas 14, is based on backward-looking data and does not incorporate the effects of global warming.
A critical federal analysis of extreme rainfall is vastly underestimating the chances of flood events, with grave implications for everything from new roads and bridges to the rising cost of flood insurance, according to a new analysis.
Many new projects could face flooding threats far earlier than expected, forcing local governments to pay for unanticipated maintenance or potentially wasting funds from the $350 billion the legislation set aside for projects.