Bulletin d’avalanche

Waterton Lakes

Feb 10 – 13, 2018Parks Canada
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Archivé · expiré 9 years ago

Danger d’avalanche

Sun
Mon
Alpin
4 · Fort
Limite forestière
4 · Fort
Sous la limite
4 · Fort
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Points saillants

Avoid all avalanche terrain.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2.5
    Forecasted winds will move around the new snow creating wind slabs that have the potential to step down to deeper layers in the snowpack.

  • Loose Dry

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

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    2.5–4.5
    Very large avalanches of been running to this layer at the bottom of the snowpack clearing mature timber in the valley bottom

Weather Forecast

Temperatures will warm up Saturday with clear skies and moderate to strong West winds. Sunday the temperatures will drop during the day with light North winds and some snow, 5cm.

Snowpack Summary

There is a weak facet layer deep in the snowpack that has been producing large avalanches in Waterton with the new snow load. Expect windslabs to build during Saturday.

Avalanche Summary

There have been large several large to very large avalanches in and around Waterton on Thursday and Friday clearing mature timber running to ground.

Confidence

Wind effect is extremely variable

Régions couvertes