Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Likely
- Size
- 1–2
You can easily trigger a large avalanche from below or a distance. Observers have reported triggering avalanches from hundreds of feet away. Near the treeline is the most dangerous in rocky areas that have recently experienced wind drifting. Above treeline, avalanches may be harder to trigger but will be deadly, and you will not get any warning signs. Avoid being on or under slopes steeper than 30 degrees for safer travel.