Wind Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Very Likely
- Size
- 3
The main avalanche problem today is wind drifted snow.
Here's what I know:
- We received a foot of fresh snow and the wind was actively drifting it in the higher terrain, building cornices and forming wind slabs.
- Plumes of snow were clearly visibly coming off the ridges on Friday.
- There was at least some natural avalanche activity during the storm.
- Fresh drifts and slabs are always the most sensitive when they are forming and directly afterward.
Here's what I don't know:
- Have the fresh drifts and slabs stabilized?
- Will they release today if provoked?
Since these drifts and slabs just formed yesterday, they will most likely still be sensitive today. The rule of thumb is to wait two days after new snow and wind before monkeying around in steeper terrain. The most likely place to trigger an avalanche today will be just below the ridges in the higher very steep slopes that face north through southeast. Cornices are huge and you should avoid being on or underneath them. Below is an image of the type of terrain you'll want to avoid today.