A massive amount of rainwater and mud was unleashed onto Pacific Coast Highway on Thursday, sweeping an L.A. Fire Department vehicle off the iconic coastal route and prompting an indefinite road closure roughly from Santa Monica to the Malibu Pier.

A new atmospheric river is slamming California, including fire-ravaged Los Angeles, where residents are bracing for the possibility of mudslides and landslides.

A Los Angeles Fire Department member was able to escape a close call Thursday after his vehicle was swept into the ocean by fast-moving mud along Pacific Coast Highway.