Persistent Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Likely
- Size
- 3
On slopes facing the shady half of the compass, it will be likely to trigger large, destructive slab avalanches failing on weak, faceted snow buried 2–5 feet deep. These avalanches could break hundreds of feet wide and propagate well beyond where you trigger them.
Do not let existing tracks give you confidence. Persistent weak layers can allow multiple riders on a slope before one person hits the wrong spot. These are high-consequence bone-breaking avalanches — the kind that catch, carry, and kill humans.
My advice: Live to ride another day and let our snowpack settle out.
Video: Utah snowpack discussion