Avalanche forecast

Jasper

Feb 3 – 4, 2012Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Fri
Sat
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
1 · Low
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Highlights

Heads up to ice climbers: Friday PM is expected to have a dramatic spike of freezing levels to above 2600m; West and Southwest exposed climbs would be threatened by this rapid warming, especially combined with expected strong solar radiation.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Moderate winds and warm temperatures have formed hard slabs in all wind-exposed areas.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    Large triggers like a cornice failure could initiate a slide in this weak layer at the base of the snowpack. Shallow snowpack areas near exposed rocks are another potential trigger site.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Freezing levels are uncertain on Friday

Regions covered