Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Unlikely - Possible
- Taille
- 2–3
Persistent weak layers may linger in the upper snowpack. Triggering may be possible in areas without a thick/supportive crust above the weak layer, most likely at upper elevations. Cornice falls are most likely to trigger this problem.