Incoming heavy rain from an atmospheric river-fueled storm that slammed into the West Coast early Wednesday is threatening mudslides and debris flows in Southern California and has already prompted evacuations in the Los Angeles area.

California braced for the arrival of a massive storm on Wednesday, evacuating residents in areas at risk of mudslides and debris flows.

A major storm continued to wallop much of Southern California on Thursday morning, bringing evacuation warnings, fears of mudslides and heavy mountain snow.

A flood watch remains in effect Thursday for parts of Southern California as the region experiences rainfall and flooding conditions.

Evacuation warnings and orders have been issued for Los Angeles communities near the Eaton, Palisades and Sunset fire burn zones ahead of the rain.

Southern California was being pounded by a major storm Thursday morning, bringing evacuation warnings and fears of mudslides.