American coastal communities will experience high-tide flooding as many as 270 days a year by 2050, according to NOAA projections released yesterday that show sea-level rise causing the dramatic increases.
NOAA’s annual report on high-tide flooding—also called “sunny day” or “nuisance” flooding because it’s not related to storms—shows that records were set in the past year in one-quarter of the communities along the Atlantic and Gulf coasts where the agency has tide gauges.
Eagle Point, Texas, near Houston, experienced high-tide flooding 64 days in the one-year period from May 2019 through April.
“This is the new normal. It’s a floodier future,” NOAA oceanographer William Sweet said. “It’s this drive in sea-level rise that is really pumping up the water levels and causing more flooding to occur.”
Fifteen communities […]