Avalanche forecast

Southern San Juan

Colorado Avalanche Information Center
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Avalanche danger

Thu
Fri
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low
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Out of date — this forecast expired 3 years ago. You’re viewing past conditions, not the current bulletin.

Avalanche problems

  • Wind Slabs

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

  • Persistent Slabs

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

Avalanche Summary

You can trigger a large avalanche on upper-elevation slopes where westerly winds have drifted recent snow into thick slabs. Look for and avoid areas where you see active wind-drifting or evidence of drifted snow, such as slopes beneath cornices, gully features, or places where you encounter stiff snow or sculpted surfaces. Upper-elevation easterly slopes are the most dangerous areas. Any avalanche which you trigger on these wind-drifted easterly slopes could break into more deeply buried weak layers, becoming a more dangerous avalanche. Stick to slopes less than about 35 degrees or below-treeline areas for safer choices.

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