Avalanche forecast

Jasper

Mar 29 – 30, 2019Parks Canada
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Archived · expired 8 years ago

Avalanche danger

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

You can expect a localized rise in avalanche hazard over the day depending on exposure to the sun. Higher north aspects remain dry.

Avalanche problems

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–1.5
    It will take a couple of days for the new snow to settle, triggering loose dry avalanches in steep shady alpine terrain remains possible.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2
    Expect a natural cycle of loose snow avalanches from steep solar slopes tomorrow.

Weather Forecast

Mixed sun and cloud again for Saturday. Freezing level to 2300m over the day on Friday. Overnight temps have been cold, -12 overnight Thursday, the same is forecast for Friday evening. The large temperature swings will subside Sunday, and a more moist, consistent air mass moves in keeping temps steady over the day and through the overnight Sunday.

Snowpack Summary

New snow has settling fast and bonding well to previous surfaces. The snowpack is cycling from isothermal, to overnight freeze with an supportive crust below (about 10cm thick) treeline on all aspects. Crust breaking down under a strong solar influence by mid-morning on any sunny aspect.

Avalanche Summary

Very little new activity observed or reported by field teams in the Columbia Icefields area.Share your observations with the community on the CAA Mountain Information Network

Confidence

Regions covered