Avalanche
- Slab Width
- 122 m
- Weak Layer
- Facets
- Trigger Type
- Natural
- Avalanche Type
- Hard Slab
- Slab Thickness
- 91 cm
- Start Zone Aspect
- North
- Avalanche Problem
- Persistent Weak Layer
- Start Zone Elevation
- 3109 m
Avalanche occurred as a result of Dec 26-27 storm event that produced 19" of snow at 2.6" SWE. This is a reapat runner this season. Several other large avalanches were observed in Gold Basin the same day. Failure is assumed to be on a known persistent weak layer of facets 30-40 cms above the ground that formed during the November high pressure.