- Submitted by
- chrisgranter
- Observations date
- Friday, January 21, 2022 at 20:00
- Location
- 51.428607° N 117.291553° W
- Reporting on
- Snow conditions
/-117.29155349425469,51.428607390854694,8,0,0/1026x200?access_token=pk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g)
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Friday, January 21, 2022 at 13:00
- Number of avalanches in this report
- 1
- The size of avalanche
- 2.5
- Slab thickness
- 100cm
- Slab width
- 150m
- Run length
- 300m
- Avalanche Character
- Persistent slab
- Trigger type
- Snowmobile
- Trigger subtype
- Remote
- Remote trigger distance
- 250m
- Start zone aspect
- N
- Start zone elevation band
- Treeline
- Start zone elevation
- 2,100m
- Start zone incline
- 40°
- Runout zone elevation
- 1,800m
- Weak layer burial date
- Friday, December 3, 2021
- Weak layer crystal type
- Facets
- Crust near weak layer
- Yes
- Wind exposure
- Lee slope
- Vegetation cover
- Open slope
Comments
Sledder crossing lower runout. Saw small trees shed their snow & looked up to see the slab release above. No involvement.
Numerous other natural and machine triggered wind slabs observed in riding area in alpine and tree line. Size 1-2. Max depth 40cm, max propagation 50m.