Bulletin d’avalanche

Waterton Lakes

Jan 25 – 28, 2019Parks Canada
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Archivé · expiré 8 years ago

Danger d’avalanche

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

Freezing Levels are uncertain on Saturday. Expected recently formed Wind Slabs to become reactive as temperatures rise.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Westerly winds have formed thin wind slabs over a crust layer.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    This layer likely requires a large trigger. Be cautious when transitioning from thick to thin snowpack areas

Weather Forecast

Friday: Cloudy with sunny periods and isolated flurries. Moderate west winds. Alpine high -7Saturday: Mainly cloudy with isolated flurries. Moderate westerly winds. Freezing level is uncertain but may rise into the alpine.Sunday:  5cm of snow with increasing West wind.

Snowpack Summary

30cm of recently wind affected snow sits atop a crust layer below 2000m . The midpack is strong in deep snowpack areas, but the facets lingering at the bottom remain a concern in thinner areas.

Avalanche Summary

No new Avalanche activity observed.

Confidence

Freezing levels are uncertain on Saturday

Régions couvertes