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

Southern California mountain communities are concerned over land and mudslide dangers as a winter storm arrives this week. Recent burn scar areas pose heightened threats, like the nearly 44,000 acres of scorched land from the Line Fire in San Bernardino County that ignited in September 2024.

Three days of drenching rain, flooding and mudslides have forced evacuations and road closures, including a portion of the Pacific Coast Highway from Malibu and Pacific Palisades. The Pacific Palisades neighborhood of Los Angeles,