- Submitted by
- Jesse Aj Scotland
- Observations date
- Sunday, December 20, 2020 at 08:00
- Location
- 51.011842° N 115.991745° W
- Reporting on
- Snow conditions
%2F-115.99174468778786%2C51.01184202869908%2C8%2C0%2C0%2F1026x200%3Faccess_token%3Dpk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g&w=1200&q=75 "South West kootenay Park region")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Sunday, December 20, 2020 at 12:00
- Estimated occurrence time of avalanche
- From 12 to 24 hours ago
- Number of avalanches in this report
- 1
- The size of avalanche
- 1.5
- Slab thickness
- 50cm
- Slab width
- 100m
- Run length
- 150m
- Avalanche Character
- Persistent slab
- Storm slab
- Wind slab
- Trigger type
- Natural
- Start zone aspect
- NE
- Start zone elevation band
- Treeline
- Start zone elevation
- 1,900m
- Start zone incline
- 40°
- Runout zone elevation
- 1,750m
- Weak layer burial date
- Monday, December 7, 2020
- Weak layer crystal type
- Surface hoar
- Crust near weak layer
- No
- Wind exposure
- Lee slope
- Vegetation cover
- Sparse trees or gladed slope
Comments
Observed from road in better light. Highlighted start zone in red. Wind and storm snow overloading Dec 8th surface hoar layer during last nights storm.
