In neighboring Sierra Madre, the city issued evacuation orders for areas affected by the Eaton fire, warning in a social media post that fire, police and public works personnel would not enter areas experiencing active mud and debris flows and anyone who remained in a home under evacuation orders would need to shelter in place until areas are deemed safe for city personnel to enter.
While the heavy rains from the storm hitting the region began to ease on Thursday night, the risk of rock and mudslides on wildfire-scarred hillsides continued on Friday since dangerous slides can strike even after rain stops, particularly in scorched areas where vegetation that helps keep soil anchored has burned away.
Near the burn scar for the Airport fire in Orange county, Trabuco Canyon Road was overtaken by mud and debris, Orange county public works posted on social media.
Southern California reported 1 to 2in (2.5 to 5cm) of rain in coastal areas and valleys and 3 to 6in (7.6 to 15.2cm) across the coastal slopes on Thursday, according to the weather service.
The rain caused a rockslide and pushed mud onto the road in Malibu Canyon, and a large debris flow left about 8in (20cm) of mud across a road in the Hollywood Hills.
