Avalanche forecast

Jasper

Dec 2 – 3, 2013Parks Canada
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Archived · expired 13 years ago

Avalanche danger

Mon
Tue
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low
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Highlights

Watch for isolated wind slabs in features with high consequences in particular sheltered ledges or convex rolls at the top of an ice pitch. Early season ski conditions and lots of unseen hazards under the snow.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Hard wind slabs pressed into lee and cross loaded features at tree line and above.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    4cm thick rain crust found below tree line and up to 2700ms. No new avalanches have been observed on this layer.

Weather Forecast

Minimal snow amounts and menacingly cold temperatures forecast for mid week.

Snowpack Summary

3-4cm of new snow over variable sized hard wind slab in lee features at all elevations. Snowpack ranges from 5-100cm. 4cm Rain crust observed today at 2100ms at ground to 40cm above ground.

Avalanche Summary

No new avalanches observed in the forecast area.

Confidence

Due to the number of field observations

Regions covered