Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Unlikely
- Size
- 1–2
You can trigger avalanches in wind-drifted snow on slopes just beneath ridgelines, in cross-loaded gullies, and downhill of steep, convex rollovers. The avalanche you trigger could stay in the surface snow, but there is a chance it steps down to a weak layer two to four feet deep, creating a deadly avalanche. You could trigger an avalanche from a distance or below on this layer with little warning signs. You can find safer riding and softer snow at lower elevations and areas sheltered from the wind.