Richardson estimates another 60,000 people will likely have to evacuate because the fire jumped US 101 early Friday and is pushing toward the coast.
Another fire was burning farther west in Ventura County, also moving toward the ocean.
'It's a very unsafe and very serious situation, ' Butte County Sheriff Kory Honea told The Associated Press. 'I'm driving through fire as we speak. "People started getting out of their vehicles and running".
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About 800km to the north, nine people were found dead in and around the Northern California town of Paradise, where more than 6,700 homes and businesses were burned down by the Camp Fire.
Butte County Sheriff Korey Honea said one of the additional deaths was said to be near those vehicles, another was inside a residence and at least three were said to be outside of residences.
McLean estimated that the lost buildings numbered in the thousands in Paradise, about 180 miles (290 kilometers) northeast of San Francisco.
Wind in the valley calmed down, but they were still shifting and erratic along the ridgetops, with speeds of up to 45 miles per hour, he said.
The dry heat and limited rainfall - in some places, no rainfall at all - contributed to the fire's spread.. Fire officials issued a mandatory evacuation notice for homes east of Chico, a city of about 93,000 people situated about 90 miles (145 km) north of Sacramento. She said a group of 20 other patients were initially evacuated but then returned to the facility because of gridlocked traffic.
The three blazes are among 16 now active fires in California.
This photo taken from video provided by CBS2/KCAL9 shows a wildfire burning in Camarillo.
Firefighter Adrien Mahnke pauses while battling the Camp Fire as it tears through Paradise, Calif., on November 8, 2018.
Sonoma Valley firefighters inspect burned out cars to make sure they are clear of human remains following a fire through a neighborhood, Friday, Nov. 9, 2018, in Paradise, California.
Four hospital employees were briefly trapped in the basement and rescued by California Highway Patrol officers, Kinney said.
Three-quarters of the city of 130,000 was under evacuation orders - and that likely included people affected by the shooting, Thousand Oaks Mayor Andy Fox said.
She and her husband "knocked on doors, yelled and screamed" to alert as numerous residents of 53 mobile homes and recreational vehicles as possible, Bernacett said.
'It's devastating. It's like "welcome to hell,"' resident Cynthia Ball said about the dual disasters while she was outside the teenage centre serving as a shelter for evacuees. God help us!' Bernacett said before breaking down crying.
Another resident told Jeremy Siegel of member station KQED that as she attempted to get out of the area, "we were engulfed in flames - both sides of the road".