Bulletin d’avalanche

Kootenay Boundary

Apr 12 – 13, 2017Avalanche Canada
Voir sur la carte
Archivé · expiré 9 years ago

Danger d’avalanche

Fri
Sat
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

New snow and shifting wind directions may create wind slabs on a variety of aspects, including slopes that are generally windward.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–2
    Shifting wind directions have created fresh wind slabs on a variety of aspects.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

THURSDAY: 10-20 cm of new snow (higher end of range in the west). Light to moderate southwesterly ridgetop winds. Freezing level around 1500m.FRIDAY: Mostly cloudy. Light Southwesterly ridgetop winds. Freezing level around 1500 m.SATURDAY: Mix of sun and cloud. Light westerly ridgetop winds. Freezing level around 1700m.

Avalanche Summary

Numerous naturally triggered loose wet avalanches to size 1.5 were reported in this region on Tuesday. Fresh wind slabs will be the primary concern on Thursday.

Snowpack Summary

New snow and shifting wind directions have created fresh wind slabs on a variety of aspects at Treeline and above. The new snow will be prone to sliding in steep terrain where it is sitting on a crust. Cornices are large in some areas and could trigger large avalanches when they fail.

Régions couvertes