In the documentary “Buried: The 1982 Alpine Meadows Avalanche,” Tahoe City residents Steven Siig and Jared Drake, revisit that avalanche and its crippling fallout, focusing on the Alpine Meadows Ski Patrol, families and others in a tragedy that left seven people dead at or near the ski resort. The filmmaking duo’s award-winning documentary receives a special one-night screening at 7 p.m. Saturday at the Christopher B. Smith Rafael Center.