Brown issued the declaration on Monday, as multiple fires forced people to evacuate their homes.
Wind-whipped wildfires roared to life Sunday night and early Monday across Wine Country, burning buildings, forcing hundreds of evacuations including two hospitals and injuring several people.
Pimlott says the fires are burning throughout an eight-county swath of Northern California, including Napa, Sonoma and Yuba counties.
It has been dubbed the Tubbs Fire and is one of at least five large brush fires burning in the region, which ignited structures and forced residents to evacuate in Napa, Sonoma and Mendocino counties.
If O'Gorman hadn't been coming home from work to wake her family, "we would have been in the house trapped", she said.
The fire has crossed Highway 101 in Santa Rosa and ignited structures west of the freeway in the area of Kohl's Department Store on Hopper Avenue.
Authorities were evacuating Sutter Santa Rosa hospital at 1:30 a.m.
An evacuation center is being set up at a downtown community center.
"The fire is not contained - no area has been determined clear and safe at this point", city officials said.
"Everyone in Sonoma County is spread out fighting these fires, but they don't have enough resources to handle something like this".
In video posted on Twitter specialists were seen wheeling a patient in a healing center bed out of Kaiser Permanente Hospital in Santa Rosa to security.
The area of Fountaingrove was particularly hard-hit, with photos showing numerous homes on fire. "I've gone out to get hold of news, which hasn't been much of a help", Palmgren said, as thick smoke surrounded his grandparents' Sonoma Valley home. Mandatory evacuations are in place for Partrick Rd in Napa County.
Though he was rushing to escape the flames, Larsen also looked out for his neighbor who lived up the street.
"Very, very volatile fire conditions", McLean said.
Tens of thousands of people are fleeing Napa and Sonoma County wildfires Monday, Oct. 9.
In the first hours of the Atlas Peak fire, fire and sheriff's units went house to house just north of Silverado Resort urging residents to leave.
San Francisco authorities issued an air quality alert due to smoke from the blazes, warning residents to close windows, limit outdoor activities and keep pets inside.