Weather forecasters often use terms like "100-year" or "500-year" floods. Here’s what those terms really mean and why these ...

Weather forecasts sometimes warn of storms that can unleash rains so unusual that they are described as 100-year or even ...

HOUSTON, Texas (KTRK ... Zoila's home was destroyed during Hurricane Harvey. "When she was trying to cross the street, it was up to her neck," Fabian described. While there have been some ...

One was Tropical Storm Allison in 2001, which brought around 40 inches of rain to the Houston area. The other was in 2017, when Hurricane Harvey hit ... catastrophic flash flooding and destructive ...

Researchers from the University of Chicago calculated that Houston, Texas, was struck by three 500-year flood events within 24 months from 2015 through 2017. The events included Hurricane Harvey ...

Here’s what to know about how scientists determine how extreme a flood is and how common these extreme events are becoming. Scientists use math to help people understand how unusual a severe ...

The events included Hurricane Harvey, the heaviest recorded rainfall ... This story has been corrected to show that the three 500-year flood events in Houston took place over three years, not ...

FILE - Cars are submerged on a freeway flooded in the aftermath of Hurricane Harvey near downtown Houston, Texas, on Aug. 27, 2017. (AP Photo/Charlie Riedel, File) ...