Wind Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
With wintry weather come those avalanche problems that we associate with mid-winter. New snow and Moderate winds will create wind slabs on east facing slopes and possibly north and south slopes as well, depending on terrain. Wind Slab avalanches are most likely below ridge tops or other features that catch wind-blown snow. The potential size and danger from these avalanches will increase throughout the day as more snow falls, and is blown into start zones. On Wednesday morning, riders might be seeking out deeper deposits of fresh snow, but these same lee slopes may become dangerous later in the day. We often cite the statistic that wind blown snow can be 3–5 times as deep as the snow that has fallen in sheltered meadows.
Wednesday will be a good day to assess this avalanche problem on smaller test slopes or slopes less than 30 degrees.