Bulletin d’avalanche

Jasper

Dec 3 – 4, 2016Parks Canada
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Archivé · expiré 10 years ago

Danger d’avalanche

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

Really going to have to curb your enthusiasm this weekend until the snowpack strengthens. Rapid ice developing on the parkway. Climbers need to carefully evaluate approach and overhead slopes and pack your avi gear.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–3
    Open lee features have new and possibly very reactive windslabs. Avoid traveling through these features.

Weather Forecast

Seasonally cold temperatures through the weekend. Winds expected to be moderate to strong, SW. Weather models really inconsistence on snowfall amounts; let's go with getting somewhere between 5 to 30cms!

Snowpack Summary

Strong relentless winds has formed touchy wind slabs 50+cm on open features at TL and above. Trump crust down 70cms at 2200m, unreactive so far.

Avalanche Summary

Field team in Parkers and Hilda area. Limited alpine observations due to poor visibility. Natural activity limited to TL observations. 2 natural slides up to sz 2.5 on N and E aspects, 2200 to 2400ms. One possible skier triggered sz 1, 2200ms in the Christmas Trees above Hilda hostel.

Confidence

Intensity of incoming weather systems is uncertain

Régions couvertes