This photo shows an avalanche triggered by the Yellowstone Club Ski Patrol using small explosives. They triggered many like this one sliding on facets near the ground in terrain that had not been skier compacted. A natural avalanche in the backcountry of Lone Mountain can be seen in the background. Photo: Yellowstone Club Ski Patrol
Forecast link: GNFAC Avalanche Forecast for Thu Jan 7, 2010