Avalanche forecast

Jasper

Dec 23 – 24, 2019Parks Canada
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Archived · expired 7 years ago

Avalanche danger

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

Highway 93N and Maligne Road will remain closed overnight Sunday, into Monday due to significant avalanche debris across the highway. Check Alberta 511 for updated road opening details.

Avalanche problems

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2

    Steep features

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–3

    Expect many soft slab avalanches on all aspects and elevations up to size 3 Sunday

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1.5–3

    Dry loose and storm slab avalanches may step down to weak layers close to the ground producing large avalanches

Weather Forecast

Last of the recent storm passing through the region; followed closely behind by light SW winds, lower RH levels and broken skies. Seasonal cool temps headed into Christmas with daytime highs to -8, lows -15.

Snowpack Summary

New snow fallen in the last 48 hours with very little wind effect and variable slab cohesion. This overlies wind slab and a variety of weak layers near the ground.

Avalanche Summary

Widespread avalanche activity on all aspects and elevations up to size 3.0. Many dry loose avalanches below treeline and above, numerous storm slab avalanches below treeline and above.

Avalanche Control on the Icefields parkway produced numerous slides upto size 3.

Confidence

Regions covered