Bulletin d’avalanche

Jasper

Jan 19 – 20, 2015Parks Canada
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Archivé · expiré 12 years ago

Danger d’avalanche

Mon
Tue
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Be careful approaching lee and cross loaded features. Wind slabs continue to develop with new snow and south west winds.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Moderate south west winds continue to redistribute snow and wind slabs are developing on lee aspects and cross loaded features.

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    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

2-4 cm of snow is expected in the north of the forecast region, with up to 10 cm forecast for the Columbia Icefields area. Light to moderate south west winds will continue. Temperatures are forecasted to drop slightly.

Snowpack Summary

6 cm of new snow in the Columbia Icefields area overlies a highly variable snowpack. Moderate westerly ridge top winds are redistributing snow and wind slabs continue to develop on north through east aspects.

Avalanche Summary

One size 2 avalanche observed in the south of the forecast region. No other avalanches observed in the rest of the forecast area.

Confidence

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

Régions couvertes