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July 11, 2019

NOAA Report Cites Climate Change as Cause of Record High-Tide Flooding

NOAA Report Cites Climate Change as Cause of Record High-Tide Flooding

Sea-level rise pushed high-tide flooding days in the United States to record levels, between May 2018 and April 2019, according to a new report by the National Oceanographic and Atmospheric Administration (NOAA).

The 2018 State of High Tide Flooding and 2019 Outlook reported that U.S. coastal communities had five high-tide flooding days during that period, tying the record that was set in 2015.

Several major cities broke records, including Washington, D.C., with 22 high-tide flooding days; Wilmington, N.C. (14); and Annapolis and Baltimore, Md. (12).

Under a business-as-usual approach to greenhouse emissions, high-tide flooding is expected to to increase to 15 days a year by 2030 and 75 days a year by 2050.

To view the report, click here.


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