Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Unlikely - Possible
- Taille
- 1–2
A weak layer of facets and/or surface hoar sitting on a crust is found down roughly 20 to 40 cm from the surface. It is particularly concerning on slopes where winds have created deeper, cohesive slabs above the layer.