from THU 11:00 PM PDT until SAT 5:00 PM PDT, San Francisco County, Northern Monterey Bay, North Bay interior valleys, San Francisco Bay Shoreline, Santa Clara Valley including San Jose, San Francisco Peninsula Coast, Santa Lucia Mountains and Los Padres National Forest, East Bay Interior Valleys, Santa Cruz Mountains, Southern Sacramento Valley in Yolo/Sacramento/Far Western Placer/Southern Sutter and Solano County below 1000 ft - excludes the Delta