Loose Dry
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–1.5
The prolonged dry spell is causing the snowpack to lose cohesion on wind-protected northerly aspects, allowing sluffs to entrain more volume than you might expect. You are most likely to encounter gouging sluffs in terrain where the snowpack is shallowest and weakest: at low elevations or on slopes that have avalanched earlier this month. Although most of these dry loose avalanches will be relatively small and slow-moving, they can gather size and speed in sustained steep terrain. Use sluff management techniques in steep terrain above trees, rock bands, and gullies where your skis are sinking deeply into weak, cohesionless snow. You can avoid the problem on slope angles less than 35 degrees.
Earlier this week, a skier hit a rock, lost a ski, and got carried by their sluff on Mt. Emmons. This harmless situation could be more serious if you get pushed into a tree or a gulley.