Bulletin d’avalanche

Kananaskis

Jan 8 – 9, 2015Alberta Parks
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Archivé · expiré 12 years ago

Danger d’avalanche

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

Ski quality is still poor in the alpine. Treeline and below is the place to look for turns these days.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    2–4
    Yesterday's wind created slabs on all eastern aspects. Some isolated natural activity suggests these are easily triggered. Be cautious in steep terrain.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    The windslabs sitting on the crust are a concern on steep, open areas at upper treeline.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    This bottom layer has turned into a classic rockies base. It is weak in all areas. Caution in steep, shallow areas.

Confidence

Good

Weather Forecast

Temperatures will rise to -8 tomorrow. The winds will light to moderate at all elevations, No snow is expected.

Avalanche Summary

2 avalanches were noted: A sz2 on a steep E aspect & a sz2.5 on a steep, E asp in the alpine.

Snowpack Summary

Forecasters made it up to 2300m today to inspect the alpine. The snow depth was 165cm's. The Dec 13th crust was there, but weak and decomposing. Stabillity tests showed a weakness down 50-60cm's on this crust. As expected, the winds have created windslabs 2400m and above. At lower elevations, the warm temperatures from yesterday did not have a huge impact. No new crusts formed.

Régions couvertes