Avalanche forecast

Banff Yoho Kootenay

Apr 2 – 3, 2012Parks Canada
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Archived · expired 14 years ago

Avalanche danger

Wed
Thu
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
1 · Low
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Highlights

The recent 50 cm of storm snow is now being moved by strong SW wind. Lake Louise region seems to be the most active lately. Expect continued windslab development and some avalanche activity relating to wind loading. Cornices are building. LP

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Mod. to stg SW winds triggered a few more slides on this layer in Lake Louise region on NE aspects. Less activity in the rest of the region. Some avalanche activity may continue to occur tomorrow in the LL region with continued stg SW winds.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    Feb 14th - now down 60-150 cm. This layer may have been the failure layer on the recent Pope's pk slide (MCR/facebook) & was remotely triggered in the Lake Louise slack country, yesterday. Winds will continue to load this layer, heads up in LL area.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Strong SW winds will scrub some slopes tonight and load lee features. Avoid windloaded pockets/steeper slopes where a suncrust may be buried. We've found a range of easy to hard shears on this layer, pending on location.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regions covered