Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible - Likely
- Taille
- 3–6
Storm avalanches could step down to a persistent weakness buried down 70 cm. This is the case especially in the Flathead and Elk Valley South areas.