The projections are based on an updated precipitation model that includes climate-driven changes in heavy rainfall events, which had previously been unaccounted for in the National Oceanic and Atmospheric Administration's (NOAA) Atlas 14 precipitation frequency data tool. Credit: Rebecca Blackwell/AP
For around 21% of the U.S., severe 1-in-100-year flood events can now be expected to occur every 25 years, according to an updated precipitation model from the First Street Foundation, which projected that 20 counties across the country can expect to see a 100-year flood event every 8-10 years in the most extreme cases.
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Steve Hallo
Steve Hallo is managing editor of PropertyCasualty360.com. He can be reached at [email protected]
