Bulletin d’avalanche

Banff Yoho Kootenay

Dec 14 – 15, 2011Parks Canada
Voir sur la carte
Archivé · expiré 15 years ago

Danger d’avalanche

Wed
Thu
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

Snowfall accumulations are uncertain for Thursday, but forecasted for ~10cm. Alpine hazard rating will depend on actual amounts received. Winds should remain light to moderate from the W/NW.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Wind-slabs are starting to form in high elevation lee areas from a light Westerly flow. These slabs will be between 10 and 25cm deep.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    The weak base of depth hoar and facets is now less sensitive to human triggering. We have now entered a period of "low likelihood - high consequence". Shallow and faceted areas are likely trigger points.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Thursday

Régions couvertes