California remains in the grip of an unrelenting atmospheric river delivering record-breaking rainfall, heavy mountain snow and destructive winds. Since the weekend, the storm has triggered widespread flooding,

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

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 debris flows from a prolonged atmospheric river event.