Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 1–2
Recent snow has buried a widespread crust in the upper snowpack, with weak facets forming above or below. This is a particular concern on steep slopes with a cohesive slab on the surface that could fail on this layer or step down to the crust.