Avalanche forecast

Jasper

Feb 8 – 9, 2015Parks Canada
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Archived · expired 12 years ago

Avalanche danger

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

Very touchy conditions will continue until the storm snow has a chance to settle.  Your best bet is to ski at the hill until the avalanche hazard drops.

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely - Very Likely
    Size
    1–4
    Thick storm slabs can be found on all aspects at treeline and above.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–4
    This layer remains a concern in isolated areas above treeline and may be triggered by large loads.

Weather Forecast

The storm has past but flurries can be expected through sunday with further accumulations of 5 to 10 cms.  Mild temps will continue.  Light to moderate SW winds.

Snowpack Summary

Huge variation in the snowpack across the forecast region!! The Icefields Area received a whopping 40 to 60 cm overnight while areas to the north received much less.  Sensitive storm slab can be found on all aspects at treeline and above.  Rain and freezing rain fell below treeline in most areas. 

Avalanche Summary

A natural avalanche cycle with slides up to 3.5.  Avalanche control efforts along the Icefields Parkway produced large avalanches one bring down mature timber and burying the road.  Several avalanches initiated with just the weight of the bomb on the slope.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Sunday

Regions covered