Overview
- The Weather Prediction Center kept a Level 4 of 4 High Risk over parts of Los Angeles, Ventura, Santa Barbara and San Bernardino counties as flash-flood warnings covered the Los Angeles metro.
- Authorities issued evacuation warnings and orders in multiple burn-scar zones and went door to door at about 380 high-risk properties, while firefighters conducted rescues in Wrightwood and an evacuation order and washout trapped residents in Lytle Creek.
- Governor Gavin Newsom declared a state of emergency to mobilize resources, local agencies opened shelters and deployed sandbags and barriers, and the California National Guard was placed on standby.
- Rainfall rates reached roughly 1 to 1.25 inches per hour with totals of 4 to 8 inches in coastal and valley areas and 6 to 14 inches in foothills and mountains, winds gusted 60 to 80 mph, and feet of Sierra Nevada snow made travel hazardous.
- Widespread disruptions included flooded roads such as parts of Interstate 5 near Burbank, rockslides and debris flows, flight delays, tens of thousands of power outages statewide, and a rare tornado warning for part of east-central Los Angeles County.