Avalanche forecast

Jasper

Jan 25 – 26, 2016Parks Canada
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Archived · expired 11 years ago

Avalanche danger

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

A widespread weak faceted base is the root of all concern. Be very cautious in all steep terrain for slab and loose snow avalanches.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–3
    A SW wind event produced touchy wind slabs in lee and cross-loaded terrain at tree line and above.

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2
    Loose dry avalanches should be expected in steep terrain, and may entrain significant amounts of snow in gully features.

Weather Forecast

Clear warm conditions with light winds expected until Tuesday night then there is the potential for some snow (up to 10 cm) with moderate SW winds.  (Don't hold your breath)

Snowpack Summary

SW (M-S) winds have built slab on top of a weak faceted snowpack on exposed tree line and alpine features. Mid-pack starting to loose strength.  Very weak faceted snowpack below tree line.

Avalanche Summary

A couple of sz 2.5 slab avalanches in the alpine (a cornice and natural) on south and NE aspects south of the Icefields along the Parkway observed on Saturday.

Confidence

The weather pattern is stable on Monday

Regions covered