- Submitted by
- Shena Thomas
- Observations date
- Friday, December 3, 2021 at 21:30
- Location
- 51.392694° N 117.357896° W
- Reporting on
- Snow conditions
/-117.35789579155517,51.39269400878098,8,0,0/1026x200?access_token=pk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g "Quartz Creek")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Friday, December 3, 2021 at 13:30
- Estimated occurrence time of avalanche
- Less than 12 hours ago
- Number of avalanches in this report
- 1
- The size of avalanche
- 2
- Slab thickness
- 150cm
- Slab width
- 25m
- Run length
- 300m
- Avalanche Character
- Deep persistent slab
- Trigger type
- Snowmobile
- Trigger subtype
- Accidental
- Start zone aspect
- SE
- Start zone elevation band
- Alpine
- Start zone elevation
- 2,400m
- Start zone incline
- 37°
- Runout zone elevation
- 2,200m
- Weak layer crystal type
- Depth hoar
- Wind exposure
- Lee slope
- Vegetation cover
- Open slope
Comments
Observed a Snowmobile triggered deep persistent slab that went to ground which was observed to be slate. Suspected weak layer was facets/depth hoar from October rain crust. Thickness ranged from 50cm to approx 2 meters.