A storm system pushing through the Bay Area on Christmas Day triggered severe weather alerts, including flash flood warnings and tornado warnings.

People in the areas of Altadena, Pasadena, Alhambra, Monterey Park, East Los Angeles are being told to take cover.

A powerful atmospheric river batters California with floods, mudslides, and outages as Gov. Newsom declares emergency in multiple counties.

Heavy rain storms across large parts of California triggered floods and mudslides and left three dead as of Christmas night, local officials said. The storms - which were expected to continue through Friday - brought 11 inches (27 cms) of rainfall to some parts of Los Angeles County,