Avalanche forecast

Banff Yoho Kootenay

Nov 30 – Dec 1, 2012Parks Canada
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Avalanche danger

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

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Expect thin wind slabs in the alpine from moderate SW winds.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    The Nov 6 raincrust is down 50-90 cm. Although we have not seen any recent activity on this crust, this is still a significant layer in the snowpack. Evaluate this layer carefully prior to entering steeper/bigger terrain.

Weather Forecast

South westerly flow bringing only light snow showers to the area.

Snowpack Summary

Average snowpack depth at tree-line is 90-100cm. Snowpack stability tests show mod shears at storm snow interface down 30-40 cm, and mod to hard shears on the Nov 6th crust in the bottom third of the pack.

Avalanche Summary

No reported or observed avalanches today.

Confidence

Forecast snowfall amounts are uncertain on Friday

Regions covered