Bulletin d’avalanche

Jasper

Nov 26 – 27, 2019Parks Canada
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Archivé · expiré 7 years ago

Danger d’avalanche

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

Caution Ice climbers as we head into a cold snap, Ice can become brittle and more fragile. Loose dry avalanches can pose a significant hazard if caught in the wrong place at the wrong time

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2

    Ongoing moderate W winds redistributed 30cm new snow to lee features in open spaces.

  • Loose Dry

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

    Cooling temps will weaken the surface snow. Caution to ice climbers in confined and gully features.

  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2.5

    Though proving less reactive to natural loads this interface has yet been tested much underfoot. Tread cautiously, coming cool temps should tighten the bond over the old snow.

Weather Forecast

Progressive cooling overnight and continues through the week. For more details: Avalanche Canada's, Mountain Weather Forecast.

Snowpack Summary

30cm new since Saturday in the ice fields area. This is sitting on a variety of surfaces depending on elevation and aspect. Surface hoar may be preserved in sheltered locations. The snow seems to be bonding well to previous surfaces at all elevations.

Avalanche Summary

An unusual avalanche today in closed ski hill terrain on a persistent layer. Steep previously controlled skiable terrain, 2 full burials no injuries.

Confidence

Régions couvertes