Bulletin d’avalanche

Jasper

Feb 3 – 4, 2017Parks Canada
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Archivé · expiré 10 years ago

Danger d’avalanche

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

Light snow forecasted into the weekend.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–3
    Big open features, cross-loaded gulleys and ice climbs below significant overhead hazard should be treated cautiously.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Faceted snow is easily triggered and can grow quickly by entraining surrounding snow.

Weather Forecast

Snow in the forecast for the weekend starting in the late afternoon Friday. Cold temperatures will continue and initially calling for east winds shifting to north.

Snowpack Summary

Surface faceting and surface hoar development. Thin slabs developed by previous strong SW winds loaded lee alpine slopes.  Poor bonding between new and old slab. Mid-pack and below weak and faceted with depth hoar to ground.

Avalanche Summary

Road report of 2 x size 1.5, North and west aspects, alpine elevation. 

Confidence

Régions couvertes