Persistent Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible - Likely
- Size
- 1–2.5
Many places with enough snow to avalanche have a weak layer of facets and/or a melt freeze crust at the base of the snowpack. This weak layer has been easy to trigger even from far away, and may become more sensitive as the freezing level rises on Tuesday.