LOS ANGELES — Southern California faces the continued risk of rock and mudslides on wildfire-scarred hillsides Friday, a day after heavy rains sent debris across several roadways, including the Pacific Coast Highway, where a fire department vehicle was pushed into the ocean.

As Southern California recovers from last month’s devastating wildfires, heavy rains Thursday resulted in pockets of flooding, blocked roadways and mud piling up around recent burn scars.

Southern California is bracing for another day of potential mudslides in areas burned by last month’s wildfires after a Thursday deluge prompted evacuation orders, whisked a fire department vehicle into Malibu waters,