Large propagation
Observed Mar 14, 2025, 5:00 p.m. PDT · Central Rockies
This report was submitted with an older form.
Avalanche report
- Comment
- Observed on a rescue flight, huge propagation - 2.4 km!. Likely initiated on the persistent weak layer (Jan 30 or Feb 22) and stepped down to the deep persistent layer at the ground in some places
- Slab width
- 2400
- Avalanche size
- 3.5
- Slab thickness
- 100
- Start zone aspect
- NE
- Vegetation cover
- Open slope
- Avalanche character
- Deep persistent slab, Persistent slab
- Number of avalanches
- 1
- Avalanche observation
- 12to24hrsAgo
- Weak layer crystal type
- Depth hoar, Facets
- Start zone elevation band
- Alp
- Avalanche occurrence datetime
- 2025-03-15T00:26:00.000Z