Avalanche forecast

Northern San Juan

Colorado Avalanche Information Center
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Avalanche danger

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Out of date — this forecast expired 3 years ago.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

Avalanche problems

  • Wet Slabs

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

  • Persistent Slabs

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

  • Loose Wet

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

Avalanche Summary

Dangerous avalanche conditions exist on most slopes, after a second night with above-freezing temperatures to 11,000 feet. You can trigger a dangerous avalanche on any steep slope where you experience wet, cohesionless surface conditions or sink past your ankles. Lower-elevation slopes and slopes facing east to south through west are the most dangerous areas, with the danger increasing into upper elevations and shadier slopes as the day warms. Avoid slopes with dust-tinted surfaces or with roller balls of loose snow on the surface, and stay well out from under corniced slopes or snow-covered cliff bands. Supportable slopes less than thirty degrees with no steep terrain overhead offer safer choices.

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