California drenched as new atmospheric river brings thunderstorms and winds

Several flood advisories issued as Governor Gavin Newsom declares states of emergency in 21 counties

A new atmospheric river brought heavy rain, thunderstorms and strong winds to California on Friday, raising the threat of flooding and disrupting travel.

Flood advisories or warnings were issued by the National Weather Service for areas around the San Francisco Bay, the central coast and the Sacramento and San Joaquin valleys. Southern California saw generally lighter rain.