Avalanche forecast

Jasper

Dec 3 – 4, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Sat
Sun
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
2 · Moderate
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Highlights

Highway 93 N open as of 16:00 on Friday. Avalanche control produced several deep slab avalanches today.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    Steep cross loaded or lee slopes are 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
    Likely
    Size
    2–3
    Avalanche control produced several large ground releases today. Recent winds have overloaded this layer.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Due to the number and quality of field observations on Friday

Regions covered