Overview
- Governor Gavin Newsom declared a state of emergency for multiple counties, and Los Angeles Mayor Karen Bass issued a local emergency to speed rescues and deploy resources.
- Hundreds of households, including more than 380 properties in hillside areas such as Malibu and Pacific Palisades, were ordered to evacuate or told to prepare to leave.
- Power outages spread across the state with more than 125,000 customers offline at times as downed trees, flooded roads and debris blocked key routes.
- Wrightwood in San Bernardino County was inundated by mud and debris flows that stranded residents, prompting overnight efforts to divert water and slurry.
- The National Weather Service maintained flood alerts through Friday, citing an atmospheric river capable of dropping 25–30+ centimeters of rain, producing mountain snow and even briefly triggering a tornado warning in Los Angeles.