An ongoing update to Gallatin County’s floodplain maps indicates a 100-year flood would impact more of Three Forks than previously thought, which has local officials working on how better to ...

Add Yahoo as a preferred source to see more of our stories on Google. A 100-year flood or rainfall event is a phrase you've probably heard before, but it doesn't really mean what it sounds like, and ...

Every time a major flood hits the news, the phrase "100-year storm" gets thrown around by reporters, politicians, and worried homeowners alike. The assumption is almost always the same: this is the ...

Homebuyers in Houston, Texas, may be facing a far greater flood threat than official maps indicate. Texas A&M University researchers estimate that the number of homes facing 100-year flood risk there ...