McGill Ski triggered slab
Observed Jan 25, 2023, 1:00 p.m. PST · Selkirks
This report was submitted with an older form.
Avalanche report
- Run length
- 50
- Slab width
- 50
- Trigger type
- Skier
- Wind exposure
- No wind exposure
- Avalanche size
- 1.5
- Slab thickness
- 40
- Trigger sub type
- Accidental
- Start zone aspect
- SW
- Vegetation cover
- Sparse trees
- Start zone incline
- 33
- Avalanche character
- Wet slab, Loose wet
- Crust near weak layer
- Yes
- Number of avalanches
- 1
- Start zone elevation
- 1900
- Runout zone elevation
- 1850
- Avalanche observation
- 12hrsAgo
- Weak layer crystal type
- Surface hoar
- Start zone elevation band
- Tln
- Avalanche occurrence datetime
- 2023-01-26T01:54:00.000Z
Incident report
- Group size
- 4
- Description
- Triggering: A combination of rapid warming of the top layer, a very reactive weak layer, a small convex terrain feature (at the top of the slope) and the weight of a skier. The skier did a right turn when the avalanche was triggered and avoided the avalanche.
- Terrain trap
- Trees
- Group activity
- Skiing
- Number injured
- 0
- Number involved
- 0
- Number caught only
- 0
- Number fully buried
- 0
- Snow depth trigger point
- Average
- Terrain shape trigger point
- Convex
- Number partly buried able breathing
- 0
- Number partly buried impaired breathing
- 0