A weak snow layer left over from October is undermining the stability of heavy recent snow in the Uintas and creating "very dangerous" conditions, said avalanche center director Bruce Temper. "It's kind of like putting a brick on top of a pile of tortilla chips ... When you put the brick on top, the thin snowpack is the one that's going to avalanche more because it's weaker." The avalanche that killed Christensen started far above the trail about 3 p.m. and likely was not human-triggered, Winterton said. Full Article at Salt Lake Tribune