Persistent Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 2
1' to 2' deep avalanches avalanches failing on a buried persistent weak layer of surface hoar or near surface facets will be possible for people to trigger again today on upper elevation slopes facing the north half of the compass.
Surface hoar feathers on the snow surface on 3/12/19 in the Northern Bear River Range.
- Use caution in upper elevation areas where drifts form, like on the lee side of major ridges and in and around terrain features like sub-ridges, gullies, scoops, tree stringers, and cliff bands.
- Stay off and out from under large ridge top cornices, which are likely to break further back than expected and could trigger avalanches on steep slopes below.