Sea level rise could inundate US coasts by 2050, NASA predicts

Jason Elam wades through flood waters around his home after Hurricane Nicole blew ashore on Nov. 10, 2022 in Daytona Beach, Florida.
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Sea levels are likely to rise faster than previously thought, meaning low-lying coastal cities in the US could be flooded much more frequently in the coming decades, a NASA study has found.

According to the study, which analyzed three decades of satellite observations, sea levels along the coasts of the contiguous United States could rise by as much as 30 centimeters above the current waterline by 2050, the research team said said in a statement (opens in new tab). The Gulf Coast and Southeast are expected to be hardest hit and likely to experience increased storm and tidal flooding in the near future, according to the study, published Oct. 14. 6 in the diary Communication Earth & Environment (opens in new tab).

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