Persistent Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Likely
- Size
- 3
- There is a layer of weak faceted sugary snow near the ground with newer snow on top of it. This is a poor snowpack structure.
- Collapsing (WHOOMPING) of the snowpack continues. This is the weak faceted snow on the ground collapsing under the newer snow.
- Wind has drifted snow recently.
These are all Red Flags for avalanches. This stuff indicates avalanches are possible.