Bulletin d’avalanche

Jasper

Apr 26 – 27, 2021
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Archivé · expiré 5 years ago

Danger d’avalanche

Wed
Thu
Alpin
Sans niveau
Limite forestière
Sans niveau
Sous la limite
Sans niveau
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Points saillants

Changing weather with an approaching warm front and new precip though the week. OVNGT freeze may not be as reliable at treeline elevations.

Click the "More Spring Conditions details" link below for more info on the varying spring condition scenarios.

Problèmes avalancheux

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    2–3.5

    Unpredictable and likely to trigger deeper instabilities on the slopes below.

  • Loose Wet

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

    Subject to type of load, time of day, aspect and elevation.

    Possible at all elevations and aspects.

  • Wet Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1.5–3

    Subject to type of load, time of day, aspect and elevation. Anticipate large slabs in connected features. ANY slide is likely to be large and will entrain the remaining winter snowpack

Weather Forecast

Keep up with the latest weather in the region with Avalanche Canada's Mountain Weather Forecast

Snowpack Summary

Supportive melt-freeze crust on all aspects and elevations; northerly aspects above treeline may still hold dry snow. The mid-pack is thick and supportive. Persistent weakness near the bottom of the snowpack will remain a concern in shallow areas and northerly alpine aspects.

Avalanche Summary

Freezing levels continue to rise this week - expect increasing avalanche activity in the afternoon.

Confidence

Régions couvertes