A Los Angeles Fire Department vehicle was swept into the Pacific Ocean during a storm in Malibu on Thursday. Officials said road conditions were especially dangerous in areas affected by the wildfires last month.

Southern California was primed for more mudslides and flooding on Friday, especially in areas scorched by last month's devastating wildfires, even as heavy rains that have saturated the Los Angeles area this week tapered off.

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and into the ocean and left roads submerged in sludge. While the heavy rains from the storm hitting the region began to ease Thursday night,