BBC reported that at least 14 people have died in California as a fierce storm brings torrential downpours, high winds and flooding to the state.
Thousands of people have evacuated their homes, while millions more are under severe weather warnings.
Nearly 188,000 homes and businesses were without electricity, according to data from Poweroutage.us.
The National Weather Service (NWS) has described it as “the most impressive storm since January 2005”.
The weather is expected to dump up to 7in (18cm) of rain in some parts by Wednesday and could produce additional flooding, mudslides and landslides. particularly in areas previously hardest hit by heavy rainfall, NWS officials warned.
“An enormous cyclone” is developing off the coast, officials said.