Add Yahoo as a preferred source to see more of our stories on Google. The new draft map expands the 100-year floodplain by 43% (Caroline Ghisolfi/Houston Chronicle) Harris County's 100-year floodplain ...

The term "100-year flood" has long been misunderstood by the public. Rather than describing an event that happens once per century, it refers to a flood with a 1 percent chance of occurring in any ...

Here’s what to know about how scientists determine how extreme a flood is and how common these extreme events are becoming.

Some new developments in Brunswick County are using outdated floodplain data, with some information dating back to 2006. A new, unadopted 2023 FEMA report shows more than 10% of buildings in the ...