As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.

When a rainstorm follows a firestorm, certain areas may be more susceptible to mudflows and debris flows that can cause destruction and even be deadly. Here’s what you need to know about these ...

When hills are healthy, vegetation anchors soil in place. But when that vegetation is burned off, hillsides become vulnerable ...

Southern California faces a risk of damaging debris flows this week, as a potentially strong atmospheric river is set to ...

Because of the recent wildfires, parts of Southern California are vulnerable to mudslides, mudflows, and landslides. Ash and debris are created when trees and other objects are burned in wildfires ...

The gusty atmospheric river storm could cause flooding and rockslides but also will help reduce the risk of wildfires with ...

The extent of a mudflows will depend on the intensity of the rainfall, duration of the storm, and the amount of remaining vegetation to hold everything in place. Get top local stories in Southern ...

Mudflows and debris flow are types of landslides. "The most likely outcome is for no significant debris flows, but there's a high-enough chance to definitely amplify the message that it's there ...

While a modest amount of rain could alleviate the dry conditions, the threat of too much rain triggering mudflows and landslides in burn scar areas looms large. “I normally pray for rain.

Southern California faces a risk of damaging debris flows this week, as a potentially strong atmospheric river is set to arrive in the region.