Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Unlikely
- Taille
- 2
Any northerly facing terrain has poor structure with weak faceted grains making up most of the snowpack. In upper elevation wind drifted terrain, it may be possible to trigger a slab avalanche that fails on this weak sugary snow. See Nikki's photo of the snow structure below.