Avalanche forecast

Jasper

Apr 20 – 21, 2012Parks Canada
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Archived · expired 14 years ago

Avalanche danger

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

Extended sun and warm temperatures will cause the avalanche danger to rise in the afternoon. Start and finish your trip early.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Up to 10cm of warm snow is being redistributed by gusting SW winds and forming windslabs on NE to E slopes. Expect Saturday's sun to produce some activity from this recent snowfall.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Saturday's sun should produce loose snow avalanches on solar aspects. Expect some more of this activity on Sunday with warm temperatures and freezing levels up to 3000 meters.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–4
    This layer may be triggered from a thin spot. Loose snow slides may step down to this layer in the warmest part of the day.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

on Saturday

Regions covered