Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 1–2.5
The Nov 17 and Dec 5 surface hoar are down ~75cm and ~35cm respectively, and most reactive around tree line. These layers have shown 'sudden' results in snowpack tests and have been failing on steep, unsupported features.