Avalanche forecast

Jasper

Apr 27 – 28, 2012Parks Canada
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Archived · expired 14 years ago

Avalanche danger

Sun
Mon
Alpine
1 · Low
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

A strong melt freeze crust overnight will provide excellent early day travel conditions. Expect this crust to deteriorate by early afternoon.

Avalanche problems

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    A good melt freeze crust should develop overnight Friday. Expect unstable isothermal conditions below treeline. Loose snow avalanches to size 2 are possible on steeper slopes by the afternoon under sunny skies.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–3
    Large triggers such as cornice failure could release large slab avalanches on several deep failure planes including ground, especially on steep slopes with a smooth rock slab bed surface.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain on Saturday

Regions covered