Bulletin d’avalanche

Jasper

Apr 24 – 25, 2016Parks Canada
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Archivé · expiré 10 years ago

Danger d’avalanche

Tue
Wed
Alpin
Sans niveau
Limite forestière
Sans niveau
Sous la limite
Sans niveau

Points saillants

Spring Avalanche Conditions until further notice. Monitor weather for significant changes.

Problèmes avalancheux

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely - Very Likely
    Taille
    1–3
    Numerous cornice failures observed and have been triggering isothermal avalanches to size 3.
  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely - Very Likely
    Taille
    1–3
    Wet avalanches are now more frequent on N to NE aspects as snowpack continues to deteriorate.
  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely - Very Likely
    Taille
    2–4
    This problem remains primarily on high northerly alpine slopes.

Weather Forecast

Spring weather conditions. Rain, snow, wind, scorching hot sun can all be expected over the course of the day, be prepared for all types of weather. Freezing levels to remain high.

Snowpack Summary

A weak snowpack with isothermal conditions Below Tree Line, Tree Line and reaching into the Alpine exists on all aspects due to prolonged high freezing levels. Some crust recovery overnight in the high Alpine. The persistent slab problem still exists on high north facing alpine slopes in specific locations.

Avalanche Summary

Loose wet and wet slab avalanches up to size 3 have been observed along the Parkway, many initiated by cornice failure due to daytime heating. This trend will continue with the forecasted weather ahead.

Confidence

Régions couvertes