Bulletin d’avalanche

Northwest Inland

Mar 7, 2019Avalanche Canada
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Archivé · expiré 8 years ago

Danger d’avalanche

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

Watch for windslabs above sugary faceted snow and steep slopes warming up from strong sunshine.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely
    Taille
    1–2
    Strong wind from a variety of directions formed widespread pockets of wind slabs on all aspects.

Confidence

High - The weather pattern is stable

Weather Forecast

WEDNESDAY NIGHT:  Clear, dry, and light easterly winds with temperatures around -10 C or colder.THURSDAY: Sunny, dry, light northwest wind, alpine high temperatures near -8 C.FRIDAY: Sunny, dry, light northerly wind, alpine high temperatures near -8 C.SATURDAY:  Sunny, dry, light westerly wind, alpine high temperatures near -6 C.

Avalanche Summary

A size 1.5 windslab was triggered on a lee slope in the north of the region on Tuesday. It released on the weaker facets below the wind affected snow. A few thin (size 1) wind slabs were observed on Saturday, as well as numerous loose dry avalanches.

Snowpack Summary

Open areas at upper elevations are likely wind affected, while pockets of soft snow can be found in sheltered and shaded areas.Sun crust are likely found on south-facing slopes. In some sheltered areas, 20-50 cm of recent snow may sit on facets (sugary snow) or surface hoar (feathery crystals), but no recent activity has been reported on these layers.In the south of the region, the lower snowpack is generally strong.

Régions couvertes