By Jorge Garcia and Steve Gorman SANTA CRUZ, Calif. (Reuters) -Utility crews in northern California worked to restore power to tens of thousands of homes on Friday following two days of fierce winds and torrential rain, even as the region braced for another onslaught of stormy weather heading into the weekend. The next bout of heavy showers and gusty winds was expected to sweep the northwestern corner of California late on Friday and spread southward into the San Francisco Bay Area and central coast through Saturday and Sunday, the National Weather Service (NWS) said. Southern Oregon was also …