As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat. Here's the celebrity chef whose frozen meals stand out from others in the grocery store, and the reasons why you should try them out for yourself.

Residents in pockets across Southern California are preparing for rainstorms expected to slam the region over the next few days — and bring the potential for mudslides and debris flow in areas recently ravaged by wildfires.

Parts of Pacific Coast Highway remained closed due to heavy flooding and mudslides in Southern California, according to state officials.

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. (AP Video: Eugene Garcia)

It's a muddy mess in Southern California, especially in places that were hit hard by last month's wildfires, as a powerful atmospheric river brings heavy rain.

Mud and debris flows closed roads and prompted evacuations in parts of Southern California recently devastated by wildfires.

Crews in Southern California are busy trying to clean up from the powerful atmospheric river that created mud flows and shut down the Pacific Coast Highway. Andrew Kozac has the forecast and Elise Preston reports on conditions.