Quick report
- Slope Angle
- 42°
Avalanche
- Slab Width
- 46 m
- Weak Layer
- Ground Interface
- Trigger Type
- Natural
- Vertical Fall
- 91 m
- Avalanche Type
- Hard Slab
- Slab Thickness
- 91 cm
- Trigger Detail
- Cornice Triggered
- Start Zone Aspect
- Northeast
- Avalanche Problem
- Persistent Weak Layer
- Start Zone Elevation
- 3139 m
I spotted this piece of snow from a distance. Breaking to old November snow, I suspect this large pocket on a steep, rocky, unsupported slope in Upper Chalk Creek occurred late in the weekend storm and was most likely triggered by a small piece of cornice crashing down onto the slope below.