Bulletin d’avalanche

Jasper

Dec 2 – 3, 2013Parks Canada
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Archivé · expiré 13 years ago

Danger d’avalanche

Mon
Tue
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

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.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Hard wind slabs pressed into lee and cross loaded features at tree line and above.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    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

Régions couvertes