West Hour Glass
Observed Feb 9, 2022, 1:30 p.m. PST · glacier
This report was submitted with an older form.
Avalanche report
- Comment
- Skier triggered avalanche on West Hour Glass. Skied on Feb 8th and snow was stable and non reactive. Warming the following day (Feb 9th) caused the weak layer to become reactive to human triggering and resulting in a 2.5 slab avalanche on a wind loaded feature covered in sparse trees. Skier was carried for 70m until hung up on tree while avalanche continued to slide for an additional 30m.
- Run length
- 100
- Slab width
- 30
- Trigger type
- Skier
- Wind exposure
- Lee slope
- Avalanche size
- 2.5
- Slab thickness
- 30
- Trigger sub type
- Accidental
- Start zone aspect
- NE
- Vegetation cover
- Sparse trees
- Start zone incline
- 45
- Avalanche character
- Wind slab
- Number of avalanches
- 1
- Start zone elevation
- 1800
- Start zone elevation band
- Tln
- Avalanche occurrence datetime
- 2022-02-09T01:30:00