Bulletin d’avalanche

Maligne

Nov 23 – 26, 2022Avalanche Canada
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Archivé · expiré 4 years ago

Danger d’avalanche

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

Points saillants

Active weather is rolling through the region the next 3-4 days with moderate to strong Southwest winds and potential for new snow. Thursday winds may crest into 100km/hr range.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2

    Winds have sculpted the terrain on many slopes creating variable windslabs. A little more snow in the next couple of days will add to this surface yet remain thin in nature.

Confidence

Moderate

Avalanche Summary

No new avalanches have been noted in the bulletin region.

Snowpack Summary

Windslabs and wind effected slopes are widespread in the Alpine. Sun crust is on steep solar aspects to treeline. Surface hoar size 3-10mm is buried 2-5cm down with uncertain distribution. Height of snow ranges from 20 to 70cm depending on wind distribution patterns.

Weather Summary

Wednesday

Cloudy with sunny periods.

Precipitation: Nil.

Alpine temperature: High -8 °C.

Ridge wind west: 15-25 km/h.

Freezing level at valley bottom.

Thursday

Cloudy with sunny periods and isolated flurries.

Precipitation: Trace.

Alpine temperature: Low -10 °C, High -7 °C.

Ridge wind southwest: 25 km/h.

Freezing level at valley bottom.

Friday

Flurries.

Accumulation: 11 cm.

Alpine temperature: Low -12 °C, High -7 °C.

Ridge wind southwest: 15 km/h gusting to 50 km/h.

Freezing level at valley bottom.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Loose avalanches may start small but they can grow and push you into dangerous terrain.

Régions couvertes