Avalanche forecast

Jasper

Apr 1 – 2, 2014Parks Canada
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Archived · expired 13 years ago

Avalanche danger

Thu
Fri
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
2 · Moderate
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Highlights

Avalanche problems

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–4
    There is a fair bit of uncertainty associated with weak mid-pack layers.  Although isolated, there have been numerous natural avalanches in the past 2 days that have failed in the mid-pack or on the ground. 

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Recent storm snow has settled into a slab and is touchy on steep, unsupported terrain.

Weather Forecast

Cool overnight temperatures, light Southwest winds and only light scattered precipitation expected over the next 48hours. Freezing levels remain below treeline.

Snowpack Summary

45cm of storm snow continues to settle and has minimal wind affect in most places.

Avalanche Summary

Skier accidental sz 2.5 reported from the Shangri-La area today, triggered remotely from a shallow spot and stepped down to ground.  Avalanche control work in the Columbia Icefield area produced mainly storm slabs in the size 2 range and isolated larger avalanches up to size 3 that failed on ground. Widespread natural cycle in the past 24 hours. 

Confidence

Regions covered