Bulletin d’avalanche

Waterton Lakes

Mar 4 – 7, 2018Parks Canada
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Archivé · expiré 9 years ago

Danger d’avalanche

Mon
Tue
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
2 · Modéré
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Points saillants

Watch out for wind slabs when the Waterton Winds return.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    With forecasted winds expected to rise Sunday night, we can expect the new snow to form wind slabs.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Very Likely
    Taille
    1–1.5

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    2–4
    No recent avalanches have been observed on this facet layer but this is the sleeping dragon.

Weather Forecast

Expected moderate SW winds arriving late Sunday through Tuesday. Day time temperatures between -4 and -10.

Snowpack Summary

New snow is adding to Waterton's significant snow pack. The mid-layer is well settled, but overlies a sleeping dragon as a deep persistent layer at the bottom of the snow pack.

Avalanche Summary

Several loose dry avalanches noted on steep terrain.

Confidence

Wind effect is extremely variable on Monday

Régions couvertes