Bulletin d’avalanche

Jasper

Dec 13 – 14, 2017Parks Canada
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Archivé · expiré 9 years ago

Danger d’avalanche

Thu
Fri
Alpin
1 · Faible
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

The deeper instabilities are significant and should remain a part of your decision making. Quality observations, and significant weather swings with little avalanche activity has inspired confidence in the snowpack.

Problèmes avalancheux

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    2–3
    Heavy loads , like natural cornice releases might trigger this deep instability.

Weather Forecast

Slight cooling trend through to Thursday with freezing levels at valley bottom. No precipitation expected. Light South-South West winds in the alpine.

Snowpack Summary

There is a well settled snowpack in most locations. Widespread wind effected snow in the alpine with minimal ski penetration. The Halloween, Oct. 31 crust sits in the lower half snowpack with faceted crystals above and below; found between 2200 - 2900m.

Avalanche Summary

No avalanches observed or reported

Confidence

The weather pattern is stable

Régions couvertes