Wildfire burning structures, evacuations ordered south of Lake Berryessa

A wildfire was burning structures and prompted an evacuation order in the Berryessa Highlands neighborhood south of Lake Berryessa in Napa County on Saturday. A wildfire was burning structures and prompted an evacuation order in the Berryessa Highlands neighborhood south of Lake Berryessa in Napa County on Saturday. Photo: Courtesy: John Ehrenfeld Photo: Courtesy: John Ehrenfeld Image 1 of / 79 Caption Close Wildfire burning structures, evacuations ordered south of Lake Berryessa 1 / 79 Back to Gallery

A wildfire burned several structures and sent residents fleeing after erupting in a neighborhood south of Lake Berryessa Saturday afternoon, officials said.

The 100-acre Steele Fire was reported around 4:30 p.m., prompting a mandatory evacuation order for residents on Steele Canyon Road between Rimrock Drive and Headlands Drive in the Berryessa Highlands neighborhood, said Sgt. Pat McMahon with the Napa County Sheriff’s Department.

By early evening, firefighters were attacking the flames from the air, with several structures burning or damaged, McMahon said.

A large plume of smoke could be seen for miles as aircraft made several passes over the growing flames.

Evan Sernoffsky is a San Francisco Chronicle staff writer. Email: esernoffsky@sfchronicle.com Twitter: @EvanSernoffsky