Bulletin d’avalanche

Banff Yoho Kootenay

Nov 27 – 28, 2015Parks Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

Small windslabs are still a problem in the alpine. Intense, localized, solar heating may create overhead hazard.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Small windslabs are possible in isolated locations, perhaps providing a surprise during otherwise good conditions. The main concern is for terrain traps (above cliffs, gullies) where small avalanches have bigger consequences.

Weather Forecast

Clear conditions and warmer temperatures are forecast for Friday and Saturday. In sheltered and sunny locations it can be expected to get above freezing for a short period. Localized temperature inversions will also be common.

Snowpack Summary

Below treeline the snowpack has set up well and is slowly facetting, Above treeline and in open areas there are numerous windslabs of varying depth. Poorly bonded windslabs over facets typical of the Rockies can still be expected in thin areas and ridgetop areas.

Avalanche Summary

No new avalanches reported.

Confidence

Freezing levels are uncertain on Friday

Régions couvertes