Bulletin d’avalanche

Jasper

Feb 21 – 22, 2012Parks Canada
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Archivé · expiré 15 years ago

Danger d’avalanche

Tue
Wed
Alpin
1 · Faible
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

Sun crusts can be expected on solar aspects of 20 degrees or more. They are still thin and breakable in many locations.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    10-20cm slabs can be expected in steep isolated features such as wind loaded ridge top terrain. Solar warming may trigger these slides from rocky terrain.

  • Loose Dry

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    1–2
    A surface hoar layer is buried 2-10 cm's. Flurries and light-moderate winds are forecast now until Wednesday which will incrementally bury it deeper. The danger rating will increase once critical load achieved. Monitor this situation as it develops.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    2–4
    Conditions are generally stable but be cognisant of slopes threatened by large triggers such as overhead cornices on steep unsupported alpine features.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable on Wednesday

Régions couvertes