Avalanche forecast

Banff Yoho Kootenay

Mar 20 – 21, 2012Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Thu
Fri
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
2 · Moderate
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Highlights

Despite the lack of widespread avalanches there has been reports of natural or skier triggered avalanches everyday this past week. Most of these avalanches were large and surprised the party involved. Conservative decision making is still required.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2
    Isolated wind slabs up to 50cm thick can be still triggered in steeper terrain, especially around ridge crests. See Facebook link below for most recent avalanche activity.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–3
    Down 70-150cm, the Valentines surface hoar is producing harder shears; however, several natural and skier triggered avalanches over the past few days shows that this layer is still a concern.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regions covered