- Submitted by
- mcacho
- Observations date
- Wednesday, February 27, 2019 at 14:00
- Location
- 51.209610° N 117.500880° W
- Reporting on
- Snow conditions
/-117.50088,51.20961,8,0,0/1026x200?access_token=pk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g "Saphire Col and Thorington")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Wednesday, February 27, 2019 at 21:00
- Estimated occurrence time of avalanche
- Less than 12 hours ago
- Number of avalanches in this report
- 1
- The size of avalanche
- 1
- Slab thickness
- 15cm
- Slab width
- 8m
- Run length
- 5m
- Avalanche Character
- Wind slab
- Trigger type
- Skier
- Trigger subtype
- Accidental
- Start zone aspect
- N
- Start zone elevation band
- Alpine
- Start zone elevation
- 2,200m
- Start zone incline
- 28°
- Runout zone elevation
- 2,200m
- Weak layer crystal type
- Facets
- Crust near weak layer
- Yes
- Wind exposure
- Lee slope
- Vegetation cover
- Open slope
Comments
Strong Northern and Southern winds observed above 2200m all day. Cracking extending >12m observed during uptrack on wind slab snow, both on N and S aspects. Audible and signifcant whoompf occured on West facing slope below skin track. Sz 1 Wind Slab triggered on North aspect of Thorington's, skier triggered, 6in penetration, 8m wide, 5 m runout. Small, but a sign of growing instabilities below wind affected aspects in the Alpine.
