The event has been called a “500-year flood”— a flood event that has a one-in-500 chance of occurring in any given year in that location. Residents in 500-year flood zones aren’t required to purchase ...

This image from Lidar files at Louisiana State University's online atlas of state geographic data shows the small variations in height of the mostly wetland area surrounding the French Settlement ...

Over the July Fourth weekend, the Texas Hill Country experienced catastrophic flooding that killed more than 100 people, left more than 160 others missing and caused widespread damage. One of the ...

When Hurricane Harvey ripped through Hitchcock, Texas, in August, it wasn’t just pummeled by nature. The town of 7,300, just across the bay from Galveston, was also the victim of a bad map: The local ...