FLASH FLOOD WATCH is in effect for Thursday Afternoon and Evening for Big Belt, Bridger and Castle Mountains. Excessive ...

The National Weather Service issued a flash flood watch Thursday cautioning that heavy rain expected over slopes charred by ...

The National Weather Service has issued a Flash Flood Watch for portions of Central and Eastern Oregon beginning at 2 p.m.

Heavy rain can trigger flash flooding in low-lying areas and cause debris flows down hillsides stripped of vegetation. Flash ...

The National Weather Service has issued a Flash Flood Watch for portions of central and eastern Oregon beginning at 3 p.m. MT and continuing through this evening.

A flash flood warning was issued by the National Weather Service in Denver at 1:23 p.m. on Thursday, July 24. This warning ...

The South Rim Wildfire remains active in the Black Canyon of the Gunnison National Park after it was ignited by lightning ...

Time and again debris flows cause death and destruction. A research team has measured these flows of water, earth and debris with high precision. The study shows previously unexplained factors that ...

Debris flows are like mudslides, except much faster and more destructive, as they contain a mix of rock, plants and even boulders or trees in addition to mud. Andrew Gray, an associate professor of ...

New research provides unprecedented insights into the hidden forces behind devastating Alpine debris flows, offering hope for ...