How and where we impact known buried weak layers can mean the difference between a no-feedback, “routine” run and triggering a dangerous avalanche on that same piece of terrain. This video of an avalanche incident near Leadville in Birdseye Gulch from February 11th illustrates that point. The skiers were fortunate to not trigger an avalanche. Moments later the snowmobiler, a larger trigger, was able to collapse the weak layer and trigger an avalanche. The second rider was buried with their head