Bulletin d’avalanche

Brazeau

Jan 14 – 15, 2023Avalanche Canada
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Archivé · expiré 4 years ago

Danger d’avalanche

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

Keep an eye on high rising freezing levels on Saturday.

Problèmes avalancheux

  • Wind Slabs

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

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1.5–3

    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

Large avalanches have been observed in the west side of Jasper. No new avalanches were observed by the field team in Maligne on Friday.

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

Snowpack Summary

High freezing levels will continue into Saturday. The alpine and open tree line terrain is wind affected. Large facets and depth hoar comprise most of the snowpack. The snowpack varies from 50-85cm in depth and is unsupportive.

Weather Summary

Saturday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: High -3 °C.

Ridge wind southwest: 15-30 km/h.

Freezing level: 1800 metres.

Sunday

Cloudy with sunny periods.

Precipitation: Nil.

Alpine temperature: Low -6 °C, High -3 °C.

Ridge wind south: 10 km/h.

Freezing level at valley bottom.

Alpine temperature inversion.

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

Terrain and Travel Advice

  • Make conservative terrain choices and avoid overhead hazard.
  • A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack.

Régions couvertes