Cupola
Observed Jan 23, 2024, 11:30 a.m. PST · Selkirks
This report was submitted with an older form.
Quick report
- Weather
- Cloudy, Sunny, Windy
- Ride type
- Alpine slopes, Steep slopes
- Riding quality
- Good
- Snow conditions
- Powder, Wind affected
- Avalanche conditions
- Avalanche condition snow
Avalanche report
- Comment
- HS-ASu-D2. Crown depth 30cm. Wind slab over suspected persistent grains. 7th skier on slope triggered the slide and was able to ski off slab into safe zone. Slab broke above skier. Slide ran ~225m.
- Run length
- 225
- Slab width
- 20
- Trigger type
- Skier
- Wind exposure
- Lee slope
- Avalanche size
- 2
- Slab thickness
- 30
- Trigger sub type
- Accidental
- Start zone aspect
- N
- Trigger distance
- 0
- Vegetation cover
- Open slope
- Start zone incline
- 45
- Avalanche character
- Persistent slab, Wind slab
- Number of avalanches
- 1
- Start zone elevation
- 2450
- Runout zone elevation
- 2200
- Avalanche observation
- 12hrsAgo
- Weak layer crystal type
- Facets
- Start zone elevation band
- Alp
- Avalanche occurrence datetime
- 2024-01-23T20:30:00.000Z
Incident report
- Group size
- 7
- Description
- See avalanche report
- Group activity
- Skiing
- Number injured
- 0
- Number involved
- 0
- Number caught only
- 0
- Number fully buried
- 0
- Snow depth trigger point
- Variable
- Terrain shape trigger point
- Convex
- Number partly buried able breathing
- 0
- Number partly buried impaired breathing
- 0