In Santa Barbara, people living in at-risk areas were told to leave by 3 p.m. Wednesday. The National Weather Service in Los Angeles said on X around 5 p.m. local time that the storm was "rapidly intensifying" over Los Angeles County.

A Los Angeles Fire Department vehicle was swept into the Pacific Ocean during a storm in Malibu on Thursday. Officials said road conditions were especially dangerous in areas affected by the wildfires last month.

Southern California was primed for more mudslides and flooding on Friday, especially in areas scorched by last month's devastating wildfires, even as heavy rains that have saturated the Los Angeles area this week tapered off.