Avalanche
- Slab Width
- 46 m
- Weak Layer
- Facets
- Trigger Type
- Natural
- Vertical Fall
- 61 m
- Avalanche Type
- Soft Slab
- Slab Thickness
- 46 cm
- Start Zone Aspect
- North
- Avalanche Problem
- Persistent Weak Layer
- Start Zone Elevation
- 2713 m
A likely natural avalanche on a north aspect on the Spire. The crown was ~45 cms deep and most likely ran on facets. This avalanche likely occurred the morning of Monday, Jan 8 as the debris was fresh.
The soft slab likely formed due to wind-loading, possibly was cross-loaded from northwest winds.