Deep Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Unlikely
- Taille
- 2–3
Although the likelihood of triggering a deep hard slab avalanche is low, the consequences remain severe. These dangerous hard slab avalanches could be three to five feet deep and are most likely to be triggered by a snowmachine. Previous tracks may not be an indication of stability.