Evacuation orders and warnings have been issued for burn scar areas across Southern California as heavy rainfall threatens dangerous debris flows.Just before 5 p.m., the Los Angeles Fire Department reported a "large debris flow" that sent about 8 inches of mud across Mulholland Drive blocking the roadway.

In the Los Angeles area, the burn scars that carry the highest risk are those from the Eaton and Palisades fires from January and the Bridge Fire from the fall.