Avalanche forecast

Banff Yoho Kootenay

Dec 20 – 21, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Tue
Wed
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
2 · Moderate
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Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    Strong westerly winds today redistributed yesterdays storm snow and formed fresh wind slabs in the alpine and treeline elevations.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    There is still concern about riders hitting the weak spot and triggering a full depth release on basal facets. A rider triggered a size 2.5 avalanche on this layer in the Lake Louise backcountry yesterday. See the facebook link below for pictures.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regions covered