Gallatin National Forest Avalanche Center

This avalanche was sympathetically triggered from a skier triggered slide 200' away. Surprised the snow was getting moist.

with Dave Zinn.

with Dave Zinn.

Crown profile of N-R4-D3-O broke on 2/18 or 2/19. Dug in shallower end of crown. Estimated up to 10 feet (3m) at its deepest, avg 6-8 feet deep crown. 700 feet wide.