Persistent Slabs
- Hochgebirge
- Waldgrenze
- Unterhalb der Waldgrenze
- Wahrscheinlichkeit
- Likely
- Größe
- 1.5–3
Facets or surface hoar above a crust is most prevalent at treeline elevaitons. Storm slab avalanches may step down to this layer resulting in very large, destructive avalanches.