- Submitted by
- snow.safety
- Observations date
- Tuesday, November 20, 2018 at 20:00
- Location
- 51.443360° N 116.091990° W
- Reporting on
- Snow conditions
%2F-116.09199%2C51.44336%2C8%2C0%2C0%2F1026x200%3Faccess_token%3Dpk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g&w=1200&q=75 "Skiier Remote - Tylenols")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Tuesday, November 20, 2018 at 13:00
- Number of avalanches in this report
- 1
- The size of avalanche
- 2
- Slab thickness
- 50cm
- Slab width
- 100m
- Run length
- 100m
- Avalanche Character
- Deep persistent slab
- Trigger type
- Skier
- Trigger subtype
- Remote
- Remote trigger distance
- 75m
- Start zone aspect
- NE
- Start zone elevation band
- Treeline
- Start zone elevation
- 2,350m
- Start zone incline
- 40°
- Runout zone elevation
- 2,250m
- Weak layer burial date
- Friday, October 26, 2018
- Weak layer crystal type
- Depth hoar
- Facets
- Crust near weak layer
- Yes
- Wind exposure
- Lee slope
- Vegetation cover
- Open slope
Comments
Group of 3 forecasters from Parks Canada Visitor Safety team skinned up ridge and skiied a mellow supported line beside steeper wind loaded roll. After skiing the line, they noticed they had remote triggered the steeper wind loaded roll to their left that they had been avoiding. Earlier in the day, the team had noticed numerous whumphs in areas where recent wind had stiffened up the slab above the basal weakness. In a test profile prior to the avalanche, the team had gotten easy to moderate sudden collapse results on a facetted layer 30 cm down. The october 26th crust was very facetted out at the higher elevation (2500m) test profile site.
