On Friday, the storied coastal road had dissolved into a river of mud and debris after a powerful rainstorm sent those burned hillsides careening toward the ocean, turning canyons into rivers of mud and rocks.

The biggest storm of the winter walloped Southern California on Thursday, but by Friday morning conditions were improving as the storm subsided.

Malibu’s Pacific Coast Highway, which just reopened after last month’s devastating Palisades Fire, is closing again Tuesday due to concerns about potential mudslides, landslides and