- Submitted by
- acrellin
- Observations date
- Thursday, March 30, 2017 at 20:00
- Location
- 53.208000° N 121.543000° W
- Reporting on
- Snow conditions
%2F-121.543%2C53.208%2C8%2C0%2C0%2F1026x200%3Faccess_token%3Dpk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g&w=1200&q=75 "Two Sisters Mtn")
Quick
Avalanche
Snowpack
Weather
Incident
Information
- Avalanche date/time
- Monday, July 30, 210 at 13:00
- Estimated occurrence time of avalanche
- Less than 12 hours ago
- Number of avalanches in this report
- 1
- The size of avalanche
- 3
- Slab thickness
- 100cm
- Slab width
- 180m
- Run length
- 100m
- Avalanche Character
- Deep persistent slab
- Storm slab
- Trigger type
- Natural
- Start zone aspect
- NW
- Start zone elevation band
- Alpine
- Start zone elevation
- 1,980m
- Start zone incline
- 40°
- Runout zone elevation
- 1,820m
- Wind exposure
- Lee slope
- Vegetation cover
- Open slope
Comments
Very recent Size 3+ avalanche on NW aspect of South Two Sisters Peak. Crown fracture estimated at 0.5 to 1.5 m. variable from our vantage point. Length of fracture may have been greater than 180m, view of slide to W was obscured by trees.
