Avalanche forecast

Northern San Juan

Colorado Avalanche Information Center
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Avalanche danger

Sun
Mon
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
3 · Considerable
Out of date — this forecast expired 2 years ago. You’re viewing past conditions, not the current bulletin.

Avalanche problems

  • Persistent Slabs

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

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

Avalanche Summary

Dangerous avalanche conditions exist. You can easily trigger an avalanche where you find 8 inches or more of new or drifted snow on slopes steeper than around 30 degrees. Avalanches triggered in the new snow may gouge into old, weak snow and become large enough to bury you. The most dangerous slopes face the north half of the compass, where the new snow forms a cohesive slab over weak older snow. Also, look for and avoid areas of wind-drifted snow above treeline, especially on northeast, east, and southeast-facing slopes below ridgetops and in cross-loaded terrain features.  

If you experience cracking or collapsing in the new snow, avoid traveling on or under steep slopes because there is a chance you could trigger avalanches from a distance or from below. Even triggering an avalanche on a small slope could be dangerous if it sweeps you into a terrain trap like a gully, bench, or rocks and trees. Avalanche conditions are the most dangerous we’ve seen in a month.

Regions covered