- Submitted by
- keith
- Observations date
- Wednesday, February 23, 2022 at 18:00
- Location
- 49.793710° N 117.901700° W
- Reporting on
- Snow conditions
/-117.9017,49.79371,8,0,0/1026x200?access_token=pk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g "Anomalous Size 3")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Wednesday, February 23, 2022 at 18:00
- Estimated occurrence time of avalanche
- From 12 to 24 hours ago
- Number of avalanches in this report
- 1
- The size of avalanche
- 3
- Slab width
- 100m
- Run length
- 800m
- Avalanche Character
- Deep persistent slab
- Persistent slab
- Trigger type
- Natural
- Start zone aspect
- S
- SW
- Start zone elevation band
- Alpine
- Start zone elevation
- 2,350m
- Runout zone elevation
- 2,070m
- Weak layer burial date
- Saturday, December 4, 2021
- Weak layer crystal type
- Facets
- Crust near weak layer
- Yes
- Vegetation cover
- Sparse trees or gladed slope
Comments
Witnessed 220223, 0930
Suspect natural avalanche occurred on 220222.
Crown of avalanche at 2350m
S/SW aspect, slope overlooking Lower Dago Lake
Size 3
40 degrees at top of crown
100m wide
800m long
Depth 40-160cm
Average depth on skier’s left side of avalanche - 45cm, suspect Jan 14 MFcr/FC
Average depth on skier’s right side of avalanche - 140cm, suspect Dec 4 MFcr/FC
