It is not unheard of to have multiple “100-year floods” or "1,000-year floods” in the same year, says John Nielsen-Gammon, the Texas state climatologist.

After nine years, repair work continues on the Columbia Canal. On the anniversary of the 1,000-year flood that damaged the canal, City of Columbia leaders gave an update on several major projects.

Flooding is Kentucky's most frequent and costly natural disaster. Sometimes you'll hear the phrase "100-year flood." But what exactly does that mean?

As we continue to grieve the loss of so many Hill Country flood victims, there is a lot of information being thrown around. KSAT wants to remind people what a “100-year flood” actually means.

Flooding is Kentucky's most frequent and costly natural disaster. Sometimes you'll hear the phrase "100-year flood." But what exactly does that mean?

After nine years, repair work continues on the Columbia Canal. On the anniversary of the 1,000-year flood that damaged the canal, City of Columbia leaders gave an update on several major projects ...

VERIFY No, a 100-year flood doesn't mean it only happens once every 100 years The KHOU 11 VERIFY team explains what this term means and what to really expect if you live in a 100-year flood plain.

Here’s what to know about how scientists determine how extreme a flood is and how common these extreme events are becoming. What does a 100-year flood mean?

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 ...

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 ...

Explore the misunderstood term '100-year flood' and how climate change influences extreme weather events and flooding frequencies.