Bulletin d’avalanche

Sea To Sky

Jan 9 – 10, 2016Avalanche Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

Mon
Tue
Alpin
1 · Faible
Limite forestière
1 · Faible
Sous la limite
1 · Faible

Points saillants

It is a good time to tackle bigger objectives, but keep your guard up. Avalanches are still possible in LOW danger.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Small wind slabs may be sensitive to rider triggering in steep and unsupported lee and cross-loaded terrain.

Confidence

High - The weather pattern is stable

Weather Forecast

Sunday: A mix of sun and cloud. The freezing level is around 800-1000 m. Winds are light. Monday: Sunny with increasing cloud late in the day. The freezing level is around 800-1000 m with a above freezing layer near ridge top. Winds are light. Tuesday: Cloudy with periods of snow. The freezing level is near 1000 m and winds increase to moderate or strong from the S-SW.

Avalanche Summary

A few small natural and rider-triggered wind slab avalanches up to size 1.5 were reported on Thursday and Friday. These were from steep East-facing slopes immediately lee of ridges.

Snowpack Summary

Up to 20 cm of dry snow sits on a variety of old surfaces including a melt-freeze crust on solar aspects in the alpine, smooth old snow on higher elevation lee slopes, and well-developed surface hoar in sheltered areas at treeline and lower elevations. This dry surface snow is capped by a sun crust on steep solar aspects or a fresh layer of surface hoar on sheltered and shady slopes. Variable winds have created soft wind slabs in lee and cross-loaded terrain in alpine areas. The mid and lower snowpack is generally strong.

Régions couvertes