(SFGate) - 7:12 p.m.: Cal Fire says the Kincade Fire has grown to 16,000 acres and is only 5 percent contained as of Thursday night. That after it ignited and grew to 10,000 acres in a matter of hours Wednesday night into Thursday.

In a news conference Thursday evening, the agency reported 49 structures have been destroyed as crews battle the wildfire into the night.

Deputy Chief Mike Parkes, Cal Fire's current incident commander, said crews arrived at the fire Wednesday night to find it "roughly a couple hundred acres already and rapidly expanding."