Bulletin d’avalanche

Jasper

Jan 22 – 23, 2015Parks Canada
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Archivé · expiré 12 years ago

Danger d’avalanche

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

Warm temperatures are expected on Friday and into the weekend. Expect some rain in the valley bottoms.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Moderate winds have redistributed snow creating wind slabs on lee aspects and cross loaded features.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    The weak layer of surface hoar and facets from December can still be found and may become susceptible to triggering with more snow loading.

Weather Forecast

Winds are picking up from the southwest with warm temperatures expected by Friday. It will rain at lower elevations and snowfalls will vary with heavier snow down towards the icefields.

Snowpack Summary

A highly variable snowpack exists throughout the forecasting region. Moderate westerly ridge top winds are redistributing snow and creating wind slabs on north through east aspects. Maligne slabs are mostly clear. Roadside rock slabs have 10cm snow and have been snowballing.

Avalanche Summary

No avalanches observed in maligne and hwy 93

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Friday

Régions couvertes