Add Yahoo as a preferred source to see more of our stories on Google. The West has been hammered with several atmospheric rivers in recent weeks, so it’s important to know terms such as debris flow.

As an intense storm moved through Southern California, a debris flow sent mud down Mulholland Drive in Hollywood Hills -- leading to a full closure of the roadway Thursday evening, authorities said.

Storms now pounding Southern California are raising the specter of more danger for residents—debris flows in areas already reeling from devastating fires. Debris flows are like mudslides, except much ...

WASHINGTON - A debris flow over the weekend has temporarily closed Westside Road, according to a social media post from Mount Rainier National Park. "The [debris flow] event was triggered by an ...

The landslide that occurred in Blatten in the canton of Valais at the end of May 2025 and the one in the village of Brienz in Graubünden in June 2023 remind us of the potential for landslide hazards ...