Avalanche forecast

Jasper

Feb 5 – 6, 2015Parks Canada
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Archived · expired 12 years ago

Avalanche danger

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

High snowfall with strong winds and warm temperatures are expected on Friday.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Windslabs have developed on lee and cross loaded features at alpine elevations.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–3
    This layer remains a concern in isolated areas above treeline and may be triggered by large loads such as cornices, surface slides or from shallow areas by skiers. The entire snowpack throughout the forecast region is sitting on 20cm of depth hoar.

Weather Forecast

Snow is forecasted for the region beginning on Thursday. The intensity of snow will increase on Friday and then taper off Saturday.  Up to 40cm is expected. Along with the snow, temperatures will rise and winds will increase, from the southwest.

Snowpack Summary

Surface hoar developed overnight. 5-20cm of new snow sits on the rain crust that formed last week.  The rain crust can be found on all aspects up to 2100m. Wind slabs can be found on lee aspects and cross loaded features in the alpine.

Avalanche Summary

No new avalanches observed along the Icefields Parkway today.  Good visibility.

Confidence

Intensity of incoming weather systems is uncertain

Regions covered