Armed with brushes and paint, volunteers touch up houses left standing after devastating floods last year that killed nearly ...

A 100-year flood has a 1% chance of happening in any given year. A 500-year flood? Just a 0.2% chance. But that doesn’t mean ...

When flooding is severe, you'll sometimes hear the phrase "100-year flood" used to describe the destruction. That can be a misleading term, say experts, because it doesn't mean that level of ...

Weather forecasters sometimes warn of storms that unleash rains so unusual they are described as 100 ... year floods. Here’s what to know about how scientists determine how extreme a flood ...

A "100-year flood" means a 1% chance of that level of flooding happening each year. Houston saw three 500-year flood events within three years from 2015 to 2017, including Hurricane Harvey.

Weather forecasters sometimes warn of storms that unleash rains so unusual they are described as 100 ... year floods. Here’s what to know about how scientists determine how extreme a flood ...

Weather forecasters sometimes warn of storms that unleash such unusual rain they are described as 100-year or even 500-year floods. Here’s what to know about how scientists determine how extreme a ...