And for many communities, the expected strengthening of El Niño will bring even more high-tide flood days in the upcoming year. This type of flooding, also known as "sunny day" or "nuisance ...

The study, which included researchers from NASA and the National Oceanic and Atmospheric Administration, shows that sunny-day floods will ... in some places to top flood thresholds.

And Washington, DC saw a record 22 flood days last year. Three decades from now, the city could see sunny-day floods on up to 120 days per year. Norfolk, Virginia, meanwhile, experienced some of ...