A new atmospheric river is slamming California, including fire-ravaged Los Angeles, where residents are bracing for the possibility of mudslides and landslides. The storm is hitting San Francisco Bay

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific storm. Here's what you need to know about this threat.

A storm starting overnight Tuesday in California is expected to bring a high risk of debris flows later this week to the burn areas from the Los Angeles County fires. Between 2 and 3 inches of rain is expected to fall in the Palisades Fire area and between 3.