Bulletin d’avalanche

Jasper

Dec 9 – 11, 2013Parks Canada
Voir sur la carte
Archivé · expiré 13 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

Early season hazards lurk just below the snow surface.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Winds continue to develop this condition. Variable thicknesses depending on aspect and elevation.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–3
    Observations are limited on this layer leading to uncertainty for the potential to trigger. Basal facetting process continues to weaken base.

Weather Forecast

Expect 5-10cm over next few days and temperatures -10 to -15. Warming up slightly from the frigid weekend but still feeling cold with brisk wind.

Snowpack Summary

Variable wind slab on lee features at all elevations. Recent cold conditions facetting the surface. Variable snowpack depths with pockets up to 1m deep. October raincrust sporadically distributed.

Avalanche Summary

Highway patrol on Saturday with excellent visibility observed no new avalanches.

Confidence

Due to the number of field observations

Régions couvertes