Bulletin d’avalanche

Jasper

Jan 16 – 17, 2016Parks Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

Sat
Sun
Alpin
1 · Faible
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

Expect sluffing in steep terrain. Manage your ski line with this in mind.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–3
    Previous SW winds have created pockets wind slab at treeline and above. These slabs are sitting above a weak facet layer and may be triggered in steep terrain.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Small loose dry avalanches should be expected in steep terrain. May entrain significant snow in gulley features.

Weather Forecast

Saturday to Monday will be very light snow. 4cm may arrive Sunday night with slight increase in wind speed and remain SW. Temperatures will range from -5 to -14. Other than light snow Sunday evening, no significant weather expected as far out as Wednesday.

Snowpack Summary

Pockets of wind slab can be found in exposed terrain tree line and above. These pockets are sitting on a weak layer of facets. The mid-pack remains supportive but continues to facet. Light snowfall is burying the well developed surface hoar and will become something to watch for into the future or if buried under the windslab.

Avalanche Summary

Reports of small size 0.5 loose dry avalanches on steep terrain along the Icefields Parkway today 48 hours old. Visibility was poor Friday.

Confidence

Régions couvertes