Deep Persistent Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2.5
A 20-60 cm slab overlies weak basal facets which continue to get weaker each day. No recent natural avalanches have been observed, but we expect human triggering to remain possible on large slopes. This problem will be around for the foreseeable future.