Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
You can trigger an avalanche on north through east to southeast-facing slopes at upper elevations that might break deeply on buried weak snow near the ground. Avoid steep slopes covered by stiff, wind-drifted snow. You may not see signs of instability like cracking or collapsing before you trigger an avalanche. An avalanche could break unpredictably wide like a recent one near Guanella Pass. You can find safer terrain options in wind-sheltered areas or below treeline.
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