Bulletin d’avalanche

Jasper

Jan 8 – 9, 2025Avalanche Canada
Voir sur la carte
Archivé · expiré 2 years ago

Danger d’avalanche

Fri
Sat
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible

Points saillants

Changing Conditions, happening now!

Moderate to strong W-SW winds overnight Tuesday are expected to build sensitive windslabs in the alpine and open treeline.

Share your adventure with your Forecasters and submit a MIN report; every flake of snowpack info helps!

Problèmes avalancheux

  • Wind Slabs

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

    A building hazard is expected overnight on Tuesday, with moderate to strong W-SW winds in the alpine and treeline creating windslabs that are sensitive to human triggering.

  • Deep Persistent Slabs

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

    A variety of crusts with facets above and below exist at the bottom of the snowpack. These layers are going to be with us for a long time and pose a low probability, high consequence situation if triggered.

Weather Summary

Overnight Tuesday: Mainly cloudy with isolated flurries. Temperature: Low -9 °C. Moderate to strong, W to SW ridgetop winds promoting intense transport.

Wednesday: Cloudy with sunny periods and isolated flurries in the AM. Light to moderate westerly winds.

Thursday: Cloudy with sunny periods. Alpine temperature: Low -11 °C, High -7 °C. Light westerly winds.

Terrain and Travel Advice

  • Approach lee and cross-loaded slopes with caution.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Confidence

Moderate

Régions couvertes