Bulletin d’avalanche

Banff Yoho Kootenay

Apr 10 – 11, 2022
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Archivé · expiré 4 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible

Points saillants

Be on the lookout for new windslabs at ridge top and in lee features. Winter is making a return with this ridge of high pressure so be ready for those colder temperatures.

We expect a "Cold and Snowy scenario" into the middle of the week at least.

Problèmes avalancheux

  • Wind Slabs

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

    New slabs have formed following the passage of Friday's cold front and arrival of up to 20cm of new snow. New snow amounts are likely to vary significantly from one zone to another given the convective nature of storms at this time of the year.

Weather Forecast

A ridge of high pressure dominates the weather over the rockies in the foreseeable future, cold temperatures and small flurries in the next few days.

Snowpack Summary

Up to 20 cm of new snow fell with Friday's storm as temperatures dropped after a significant warm up. 10-30 cm of soft, dry snow sits on a firm crust on N aspects. On solar aspects a series of crusts exist in the snowpack at all elevations.

Avalanche Summary

Small wind slabs were found at Lake Louise and Sunshine on Saturday. Stubborn wind slabs were found in the Bow Summit area on Sunday. These wind slabs are small in magnitude at treeline, suspect in the Alpine they will be larger at immediate lees and ridge tops, be cautious in these areas.

Confidence

Régions couvertes