Persistent Slabs
- Hochgebirge
- Waldgrenze
- Unterhalb der Waldgrenze
- Wahrscheinlichkeit
- Unlikely
- Größe
- 1–2
In isolated areas above 7,500 feet, hard slabs lie upon faceted snow and hard crusts that formed in January. Limited potential may persist for large triggers, such as snowmobiles or cornice drops, to cause a hard slab avalanche up to two feet deep in steep, avalanche-prone terrain.