Overview
- A rare tornado warning was issued then expired for parts of Los Angeles County’s San Gabriel Valley, according to NBC Los Angeles.
- The NWS Hanford office cited a low but notable tornado probability of roughly 2–4% for areas including Mariposa and Oakhurst on Christmas Eve.
- Los Angeles County officials announced evacuation advisories for fire-scarred zones near the Palisades and Eaton burn areas and urged residents to avoid unnecessary travel.
- An initial burst of heavy rain late Tuesday struck Los Angeles, with reports Wednesday of downed trees and power lines across parts of California.
- NWS said the atmospheric river could deliver several months of rain in days, and meteorologist Ariel Cohen warned of likely significant flooding from Wednesday through Friday.