Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
You can trigger an avalanche on slopes where wind-drifted snow rests on top of weak snow buried near the ground. The most dangerous slopes face a north or easterly direction. Watch for and avoid drifts on steep slopes below ridgelines and the sides of gullies.