Avalanche forecast

Jasper

Dec 9 – 11, 2013Parks Canada
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Archived · expired 13 years ago

Avalanche danger

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

Early season hazards lurk just below the snow surface.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Winds continue to develop this condition. Variable thicknesses depending on aspect and elevation.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    Observations are limited on this layer leading to uncertainty for the potential to trigger. Basal facetting process continues to weaken base.

Weather Forecast

Expect 5-10cm over next few days and temperatures -10 to -15. Warming up slightly from the frigid weekend but still feeling cold with brisk wind.

Snowpack Summary

Variable wind slab on lee features at all elevations. Recent cold conditions facetting the surface. Variable snowpack depths with pockets up to 1m deep. October raincrust sporadically distributed.

Avalanche Summary

Highway patrol on Saturday with excellent visibility observed no new avalanches.

Confidence

Due to the number of field observations

Regions covered