Bulletin d’avalanche

Cariboos

Apr 1 – 2, 2012Avalanche Canada
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Archivé · expiré 14 years ago

Danger d’avalanche

Tue
Wed
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
2 · Modéré
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Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–5
    Recent new snow and moderate southerly winds continue to build windslabs.

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    3–7
    Recent snow and wind have have made large cornices even bigger and more sensitive.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    3–7
    Persistent weaknesses are buried about 150-200 cm below the surface. Avalanche activity on this interface has become less frequent, but large triggers like cornice fall may release a large avalanche.

Confidence

Fair - Intensity of incoming weather is uncertain on Tuesday

Weather Forecast

MONDAY: Light precipitation throughout the day with intensity increasing late afternoon into the evening. Freezing level 1100-1500m. Winds light to moderate from the south. TUESDAY: Moderate to heavy precipitation combined with moderate to strong southerly winds. Freezing level 1200-1500m. WEDNESDAY: Light precipitation with freezing levels lowering to 1000m.

Avalanche Summary

Reports of human triggered avalanches to size 1.5. These are isolated to the newly fallen snow.

Snowpack Summary

Up to 40cm of recent storm snow from the past 3 days combined with moderate winds have formed windslabs in the alpine continued to build already very large cornices. There is moist snow on all aspects below 1600 metres.

Régions couvertes