Heavy snow, avalanche warnings in California, Nevada, Utah

Reno, Nev. • Avalanche warnings have been posted in parts of California, Nevada and Utah after a winter storm dumped heavy snow on the region.The Sierra Avalanche Center issued a backcountry avalanche warning for the Lake Tahoe area stretching south into the Sierra along the California-Nevada line from noon Sunday until 7 a.m. Monday.The National Weather Service says blizzard conditions with gale-force winds could trigger widespread avalanche activity.Two feet of snow was reported at Mammot