Persistent Slabs
- Hochgebirge
- Waldgrenze
- Unterhalb der Waldgrenze
- Wahrscheinlichkeit
- Unlikely - Possible
- Größe
- 1–2
This problem may exist in more areas but has been confirmed in the Prince of Wales range. As the new snow builds up, there is the potential for avalanches to step down to this deeper layer, creating surprisingly large avalanches.