Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible - Likely
- Taille
- 2–3.5
A weak layer of faceted grains above a melt-freeze crust buried roughly 100 to 200 cm deep is a recipe for large, high-consequence avalanches. This snowpack setup will take some time to strengthen.