Bulletin d’avalanche

Waterton Lakes

Apr 6 – 9, 2023Avalanche Canada
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Archivé · expiré 3 years ago

Danger d’avalanche

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

As temps rise over the weekend watch for wet loose avalanches on on solar aspects. Dry snow can still be found on polar aspects and recent SW winds will have formed fresh windslab.

Problèmes avalancheux

  • Wind Slabs

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

    Minimal dry snow is available for transport but thin windslabs are still possible in lee features.

  • Loose Wet

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

Confidence

Moderate

Avalanche Summary

There was a dry loose cycle earlier in the week to size 2. Avalanches were isolated to new snow.

Snowpack Summary

10-15cm of new snow from this week is becoming moist on solars at all elevations during the day. Strong re-freezes have been occurring overnight. Polar aspects still consist of dry snow above 1600 m. The January melt freeze crust is buried 60-100cm. Alpine and Treeline midpack is well settled and overlies basal facets and depth hoar. Below treeline, the Jan Crust overlies facets and depth hoar to ground.

Weather Summary

Friday

Alpine high +5 under clear skies. Winds moderate SW

Saturday

Alpine high of zero with broken skies. Moderate SW winds

Sunday

Alpine high of +5 with clear skies. Winds moderate SW.

Régions couvertes