Bulletin d’avalanche

Northwest Inland

Apr 5 – 6, 2015Avalanche Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

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Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–4
    Recent storm snow has been redistributed in some areas into soft wind slabs that might produce large enough avalanches to step down to potentially weaker layers.

Confidence

Fair - Freezing levels are uncertain

Weather Forecast

Sunny with cloudy periods for the forecast period. Mostly light south easterly alpine winds are expected. Daytime highs will bring the freezing level to around 1500m for the next few days, then climbing to close to 2000m by mid week.

Avalanche Summary

No reports of avalanches from the past few days.

Snowpack Summary

Recent storm snow brings the total for the last few precipitation events to 50cm in some parts of the forecast area. This accumulated storm snow is sitting on a variety of old crusty surfaces.  In addition, recent winds have scoured windward slopes and loaded lee features. Persistent weaknesses buried in the upper snowpack include hard crusts and/or facets, although not much is known about the reactivity or spatial distribution of these layers. At the base of the snowpack, especially in areas of shallow snow, weak facets may be found. Cornices are now large and potentially fragile.

Régions couvertes