A house was swept into the Russian River by a mudslide in Forestville near the Forest Hills Bridge Tuesday afternoon as an atmospheric river battered Northern California . The storm system has concentrated rainfall on the North Bay since the rain began on Friday, dropping anywhere from three to four inches to up to nine inches in parts of Marin and Sonoma county. It was about 12:30 when a California Highway Patrol officer responded to a reports of a hillside giving way. That officer watched as the land and trees below Westside Road went sliding down towards the Russian…..