Cal Fire investigators determined PG&E electrical equipment and infrastructure caused 12 different fires during the October firestorm in Sonoma, Mendocino, Lake Napa, Humboldt and Butte counties.
Hot, dry Santa Ana winds will likely whip up the unseasonably fierce wildfires ravaging Southern California on Thursday, forecasters said. The gales have come at the worst time, at the end of a long dry spell.
