Avalanche forecast

Jasper

Dec 2 – 3, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Fri
Sat
Alpine
4 · High
Treeline
3 · Considerable
Below
2 · Moderate
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Highlights

Highway 93 closed from Saskatchewan Crossing to Jasper until mid afternoon Friday.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    Steep cross loaded or lee slopes ware likely slab trigger zones. In the alpine the snowpack depth is highly variable. At tree line travel is good and the snowpack supportive.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Very Likely
    Size
    2–4
    Large ground release at Parker Ridge today.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Wind effect is extremely variable

Regions covered