Deep Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 2–3
In isolated areas at the higher elevations layers of weak faceted snow are buried in the snowpack in steep, avalanche-prone slopes that face north through east to south. In those areas snowmobilers could trigger deep hard slab avalanches up to three feet in depth.