Avalanche forecast

Banff Yoho Kootenay

Feb 22 – 23, 2012Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Wed
Thu
Alpine
4 · High
Treeline
3 · Considerable
Below
3 · Considerable
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Highlights

The avalanche danger level has increased dramatically since the weekend. Now is the time for conservative route choices.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    Strong north west winds forecasted for Tuesday night and Wednesday will create fresh wind slabs in the alpine. These slabs are expected to be reactive to skier triggering.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely - Very Likely
    Size
    1–3
    Up to 35 cm of settled storm snow overrides the Feb. 12 surface hoar. The surface hoar is wide spread and the storm snow is reactive to skier triggering. This problem is expected to get worse before it gets better.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Due to the number and quality of field observations

Regions covered