Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 2–3
Avalanche forecast
View on mapNorthern San Juan
Colorado Avalanche Information Center
Avalanche danger
Sun
Mon
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low
Out of date — this forecast expired 3 years ago. You’re viewing past conditions, not the current bulletin.
Avalanche problems
Wind Slabs
NNEESESSWWNW- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–1.5
Avalanche Summary
Steeper slopes where you find a cohesive slab of snow above buried weak layers, increases your chance to trigger a large avalanche. You may find deeper, wind-drifted areas that span adjacent terrain features on northerly and easterly-facing slopes near and above treeline. Avalanches triggered near the surface could break into deeper weak layers, resulting in a much more dangerous slide. If you see evidence of drifting like lens-shaped pillows of snow, avoid traveling beneath ridgelines and cornices, or above terrain trap where a smaller avalanche could magnify the consequences of getting caught. Wind-sheltered slopes around 30 degrees, without steeper terrain overhead, offer safer travel options.
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