Avalanche forecast

Banff Yoho Kootenay

Mar 29 – 30, 2012Parks Canada
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Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

Incoming snowfall starting Thurs will elevate the danger rating. Today, 2 skiers remotely triggered a size 2.5 avalanche in the back-country near Lake Louise. This event is a reminder that the current conditions can still produce large avalanches.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Starting Thurs, we are expecting snowfall amounts of up to 30cm in the alpine by the end of Fri. With associated westerly wind expect to encounter fresh wind slabs in lee areas.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    At a test plot West of the divide the Feb 14 Surface hoar is buried 110cm. A deep tap test produced no result on this layer. However, the chance of triggering will increase in thinner areas, and large avalanches are still possible.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Friday

Regions covered