Bulletin d’avalanche

Jasper

Dec 20 – 21, 2015Parks Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

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

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Steady Southwest winds and light precipitation expected to build new soft slabs in the alpine and exposed areas at treeline.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–3
    The Dec3 layer down 60cm has not been associated with any observed natural activity nor has it proven to be reactive to skier traffic. Further cooling temperatures and the consistently supportive mid-pack helping increase confidence in this layer.

Weather Forecast

Alpine temperatures remaining fairly consistent around -10C, with a steady moderate Southwest wind. 10cm of new snow expected by Tuesday. Freezing levels remain below 1000m.

Snowpack Summary

Generally supportive and well settled snowpack above 1700m. Recent wind affect in the alpine has created thin windslabs in the past 24 hours. Dec 3 interface down 60cm appears to be bonding well.

Avalanche Summary

No new avalanche activity observed or reported.

Confidence

Forecast snowfall amounts are uncertain

Régions couvertes