Avalanche forecast

Waterton Lakes

Feb 10 – 13, 2018Parks Canada
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Archived · expired 9 years ago

Avalanche danger

Sun
Mon
Alpine
4 · High
Treeline
4 · High
Below
4 · High
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Highlights

Avoid all avalanche terrain.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2.5
    Forecasted winds will move around the new snow creating wind slabs that have the potential to step down to deeper layers in the snowpack.

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely - Very Likely
    Size
    1

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    2.5–4.5
    Very large avalanches of been running to this layer at the bottom of the snowpack clearing mature timber in the valley bottom

Weather Forecast

Temperatures will warm up Saturday with clear skies and moderate to strong West winds. Sunday the temperatures will drop during the day with light North winds and some snow, 5cm.

Snowpack Summary

There is a weak facet layer deep in the snowpack that has been producing large avalanches in Waterton with the new snow load. Expect windslabs to build during Saturday.

Avalanche Summary

There have been large several large to very large avalanches in and around Waterton on Thursday and Friday clearing mature timber running to ground.

Confidence

Wind effect is extremely variable

Regions covered