Avalanche forecast

Banff Yoho Kootenay

Jan 13 – 14, 2012Parks Canada
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Archived · expired 15 years ago

Avalanche danger

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

On Friday a ridge of high pressure will bring light wind and sunny skies. On Saturday a pacific frontal system will bring light snowfall (10-15 cm). The hazard is not expected to change much unless snowfall amounts are higher then forecasted.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–3
    Recent moderate to strong north and north west winds have created windslabs in all open terrain. Steep lee features at and above treeline should be approached cautiously.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    A well settled midpack overrides a weak facetted base. This weak base is found most places except the west side of the divide. Beware of steep shallow snowpack areas (where the likelihood of triggering this basal layer is highest).

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Saturday

Regions covered