Bulletin d’avalanche

Waterton Lakes

Feb 12 – 15, 2019Parks Canada
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Archivé · expiré 8 years ago

Danger d’avalanche

Wed
Thu
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Snowfall amounts on Tuesday are uncertain but Windslab will continue to build regardless of storm totals.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Ski quality is best in sheltered trees.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    A layer of weak facets is lurking at the bottom of the snowpack. Though there has been limited activity on this layer, it is still on our mind with consistent sudden collapse results in test profiles.

Weather Forecast

Tonight: 2 cm of snow overnight. -20Tuesday: 10-15cm of snow throughout the day. Moderate SW winds with Strong to Extreme gusts.Wednesday: Mainly Cloudy with isolated flurries.  Moderate West Winds. Alpine high -8.Thursday: A mix of sun and cloud with Moderate SW wind,. Alpine high -6.

Snowpack Summary

10-20cm of facetting storm snow has added to the formation of Windlsab in the alpine and at ridge top. Windslab will continue to be a primary concern on Tuesday as the forecasted snow is accompanied by moderate - extreme winds. The Midpack is strong in deep snowpack areas but the facets at the base of the snowpack remain a concern in shallow areas.

Avalanche Summary

No new avalanches observed.

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Régions couvertes