Avalanche forecast

Jasper

Dec 31, 2011 – Jan 1, 2012Parks 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

50 cm of storm snow is waiting for skiers on sheltered slopes. Don't be lured out on to steeper slopes until this snow has had a chance to bond with the snowpack below it.

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–3
    Up to 50 cm of storm snow has fallen since Tuesday. This snow is developing slabs that will become more touchy as wind and settlement occurs.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–4
    Heavy loads (large explosives) were able to trigger this layer proving the hidden danger of this weakness. Full path avalanches are possible. Likely triggers will be from shallow areas.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Due to the number and quality of field observations on Saturday

Regions covered