long Highway 12 through Sonoma Valley, world-famous vineyards beginning to show off their brilliant fall hues are now juxtaposed against a jarring backdrop of mountains blackened by flames. Majestic parklands ringing the valley have been scarred, including Sugarloaf Ridge State Park and Hood Mountain Regional Park near Kenwood, where flames Sunday continued to send a massive plume of smoke into the sky visible for miles, fueling fresh rivulets of anxiety for both residents and firefighters. “I’ve never seen anything like it,” Tom Siragusa, an assistant chief for the San Francisco Fire Department and Petaluma resident who has worked in the...