NORTHERN CALIFORNIA – A fire reported in Napa County Thursday night quickly burned hundreds of acres near Lake Berryessa.

The Putah Fire was first reported just after 8:30 p.m. Thursday, according to radio reports.

It is located off of Berryessa Knoxville Road near Lake Berryessa, north of Napa, Cal Fire reported.

Within two hours the fire had burned about 500 acres and was 75 percent contained, with the forward movement stopped, Cal Fire said late Thursday night.

The fire is reported to be threatening structures on several nearby ranches, but the Napa County Sheriff's Office was not calling for evacuations Thursday night, based on Cal Fire's report.

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