Avalanche forecast

Jasper

Dec 28 – 29, 2011Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Wed
Thu
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
1 · Low
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Highlights

Up to 30 cm of snow is expected to fall until the end of the day on Wednesday. Moderate SW winds will accompany this snow making for dangerous slab avalanche conditions on lee slopes at tree line and above.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Heavy snow and moderate southwest winds will continue to build soft slab conditions on lee slopes and stripe fetch areas.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    The heavy snow forecast along with moderate SW winds may overload this weak layer which could result in full snowpack avalanches.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

Regions covered