"It's unbelievable fire could spread so fast"
The Wragg fire on the outskirts of California’s Napa Valley chewed through thousands of acres of steep, treacherous terrain Thursday, forcing mandatory evacuations of two small communities and threatening more than 200 structures, fire officials said.
The fire in the area of Wragg Canyon near Lake Berryessa in Napa and Solano counties spread from 1,000 acres Wednesday night to 6,700 by early Thursday afternoon, the state, local and federal interagency team battling the blaze said. More than 1,300 firefighters were in the scene, less than 24 hours after the fire started.
Lake Berryessa is about 30 miles east of Napa Valley. Winds were erratic, but they…