Avalanche forecast

Jasper

Dec 26 – 27, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Mon
Tue
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
2 · Moderate
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Highlights

Intense precipitation and gusting strong winds occurring through the Icefields at 1600hrs. Merry Christmas.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Moderate W-SW winds continue to affect the area. Expected 10-15cm of snow and winds tonight will add to this problem at all elevations. The new snow will rest upon smooth windslabs, sustrugi, and loaded lee slopes. Avoid slabby feeling slopes.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    Basal facet collapses are still possible and will remain a concern as consequences would be big if triggered. Shallow snowpack areas and rocky outcrops are trigger locations.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

Regions covered