Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
You may trigger an avalanche where slabs of recently wind-drifted snow rest on top of weaker snow below. You are most likely to find this strong over weak layering on the lee side of ridgelines, below cornices, and in northeasterly-facing gullies and couloirs.