Observed Monday morning. Probably triggered sometime on Sunday by a snowmobile, based on tracks observed. Slide stepped down and spread through the track. Forecaster note: We talked with a snowmobiler who spotted this slide on Sunday and didn't see any tracks nearby. We are unsure of the trigger. Snowboard tracks were also spotted next to this slide.

Forecaster note: We spoke with a snowmbiler who spotted this slide on Sunday and did not see tracks near it. There were also snowboard tracks on the adjacent slope. We are unsure of the trigger.