SAN FRANCISCO (AP) – A spring storm brought several feet of snow to the Sierra Nevada and rain to parts of the San Francisco Bay Area, with more stormy weather expected this week. The seven-day snow total topped 3 feet in some mountain areas as of Saturday. Mammoth Mountain in the eastern Sierra reported a foot of fresh snow. The resort has said it would remain open to skiing and snowboarding until Memorial Day. Parts of Northern California including the Bay Area could see pockets of rain for several days.