- Submitted by
- Hyland Backcountry
- Observations date
- Saturday, February 8, 2020 at 22:00
- Location
- 54.863070° N 126.887070° W
- Reporting on
- Snow conditions
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Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Saturday, February 8, 2020 at 14:15
- Number of avalanches in this report
- 1
- The size of avalanche
- 2
- Slab thickness
- 150cm
- Slab width
- 60m
- Run length
- 63m
- Avalanche Character
- Deep persistent slab
- Trigger type
- Snowmobile
- Trigger subtype
- Accidental
- Start zone aspect
- S
- Start zone elevation band
- Treeline
- Start zone elevation
- 1,700m
- Start zone incline
- 37°
- Weak layer burial date
- Saturday, November 23, 2019
- Weak layer crystal type
- Facets
- Crust near weak layer
- Yes
- Wind exposure
- Cross-loaded slope
Comments
Observed during an AST 2 course. Another group - rider rode from R to L toward thin spot near rocks and triggered. Was able to hold on and ride out. Examination of the bed surface clearly showed sugary (facetted) snow over the raincrust that formed in november. Slab was very hard. Glad none were harmed.

