Bulletin d’avalanche

Waterton Lakes

Dec 4 – 8, 2013Parks Canada
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Archivé · expiré 13 years ago

Danger d’avalanche

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

The additional 25 to 35 cm on Monday pushed the snow depth to 100 cm in areas above 1900 meters. Alders, stumps and rocks are still not safely buried.

Problèmes avalancheux

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Higher elevation, lee slopes and gully feature areas may have developed wind slabs during the storm that came in from the north. Evaluate the snowpack for stability prior to stepping into it. Limited field observations thus far this season.

Weather Forecast

Continuing cold with a light northerly flow. No new snow load forecast. Temperatures moderating somewhat by Saturday.

Snowpack Summary

Little Prairie has 67cm snow . Summit Lake = 100 cm total. Instabilities within the 25 to 35 cm of storm slab and at the old snow faceted interface indicate skiers could trigger avalanches in steep unanchored terrain at higher elevation areas.

Avalanche Summary

Limited observations due to poor visibility.

Confidence

The weather pattern is stable

Régions couvertes