Avalanche forecast

Jasper

Nov 26 – 27, 2011Parks Canada
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Avalanche danger

Sat
Sun
Alpine
4 · High
Treeline
4 · High
Below
3 · Considerable
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Highlights

Unusually dangerous early season avalanche conditions are widespread at all elevations in many places in Jasper - use extreme caution if traveling in the mountains this weekend.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–4
    The recent storm snow sits on previous wind slabs on lee features and has the potential to produce large avalanches if triggered.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Very Likely
    Size
    1–3
    Gusty and variable winds have formed storm slabs on all aspects at upper elevations, especially in exposed areas. A widespread natural cycle was observed on Thursday, and explosive control work produced numerous avalanches to size 2.5.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regions covered