Flash flooding ranks among the top weather-related killers in the U.S. But what is it exactly, and how does it happen?

Flooding in Texas appeared swiftly and soon turned deadly, showing how deceptively powerful a flash flood can be. Amazingly, ...

If there’s a “flash flood watch,” according to the service, flooding is not guaranteed, but conditions are favorable enough for it to be possible, so be prepared to change your plans.

We thought it was a normal thunderstorm,” Lilly Kummerfeld said. “We didn't know about any of the destruction or the horrible ...

Flash flooding will hit four states due to sudden and heavy rains expected Sunday into Monday morning, potentially impacting Memorial Day plans. Why It Matters. This year, ...