Avalanche forecast

Northern San Juan

Colorado Avalanche Information Center
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Avalanche danger

Thu
Fri
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Out of date — this forecast expired 3 years ago.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

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–3
  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2

Avalanche Summary

You can trigger a dangerous avalanche on steep wind-drifted slopes where recent westerly winds have deposited snow into thick slabs. Near and above-treeline easterly slopes are the most dangerous areas. Look for and avoid terrain with evidence of wind-drifting, such as slopes beneath cornices, gully features, areas below ridgelines, or where you encounter sculpted features or stiff surface conditions. Slides which you trigger in a surface layer could break into deeper weak layers and become larger, more dangerous avalanches. Stick to slopes less than about thirty five degrees or below-treeline areas for safer choices.

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