Bulletin d’avalanche

North Columbia

Jan 9, 2019Avalanche Canada
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Archivé · expiré 8 years ago

Danger d’avalanche

Thu
Fri
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible

Points saillants

The next storm reaches us Tuesday night into Wednesday. Snowfall amounts will vary across the region; treat the danger as higher if you find noticeable snowfall accumulation.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2.5
    New wind slabs may form during Wednesday's storm. Use added caution in lee and cross-loaded terrain features near ridges.

Confidence

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

Weather Forecast

TUESDAY NIGHT: Cloudy with light snowfall, accumulation 5 cm, moderate southwest winds, freezing level below valley bottom.WEDNESDAY: Cloudy with light snowfall, accumulation 5 to 15 cm, moderate south winds, alpine temperature -4 C, freezing level below valley bottom.THURSDAY: Cloudy with light snowfall, accumulation 5 cm, light to moderate southwest winds, alpine temperature -3 C, freezing level rising to 1500 m by the end of the day.FRIDAY: Mostly cloudy, light to moderate southwest winds, alpine temperature -2 C, freezing level rising to 2000 m by the end of the day.

Avalanche Summary

A few small to large (size 1.5 to 2) slab avalanches were triggered by explosives on Monday. Otherwise, no new avalanches were observed.

Snowpack Summary

Snowfall on Wednesday may form new wind slabs in lee and cross-loaded terrain features at high elevations. This new snow will fall on widespread wind-affected snow at alpine and treeline elevations. Below this, the snowpack is generally well-settled and strong.

Régions couvertes