Bulletin d’avalanche

Jasper

Jan 20 – 21, 2023Avalanche Canada
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Archivé · expiré 4 years ago

Danger d’avalanche

Sun
Mon
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible

Points saillants

Continue to be mindful of the deep persistent slab problem and make conservative terrain choices.

Problèmes avalancheux

  • Wind Slabs

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

    Winds have increased to moderate values from the southwest likely creating thin wind slab at ridge crest and exposed cross loaded terrain.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1.5–3.5

    The bottom of the snow pack is inherently weak with well developed Facets and Depth Hoar. Avalanches initiating in the upper snowpack are likely to step down to this layer and gain significant mass.

Confidence

Moderate

Avalanche Summary

There were no new avalanches observed on the icefields parkway on Thursday.

If you're out in the hills, don't forget to post to the MIN. Every bit of information helps

Snowpack Summary

5cm of new snow from this past week around Parker Ridge. Upper snowpack comprised of 20-30cm variable density snow sitting on top of the December 17 facet layer. Large facets and depth hoar comprise the bottom portion of the snowpack. Snowpack depths vary from 40-100cm.

Weather Summary

Detailed weather forecasts from Avalanche Canada: https://avalanche.ca/weather/forecast

Terrain and Travel Advice

  • Make conservative terrain choices and avoid overhead hazard.

Régions couvertes