Bulletin d’avalanche

South Rockies

Mar 12 – 13, 2022Avalanche Canada
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Archivé · expiré 5 years ago

Danger d’avalanche

Mon
Tue
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
2 · Modéré
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Points saillants

Keep an eye on the weather. Rising freezing levels and strong winds could increase the likelihood of avalanches.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–2

    Look for wind slab in exposed treeline and above on all aspects.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–1.5

    As the freezing level rises wet loose avalanches could be observed below treeline.

Confidence

Moderate -

Weather Forecast

Friday night: light flurries bringing up to 5cm of new snow and strong southwest winds and a low of -3 at 1900m. 

Saturday: a mix of sun and cloud with the possibility of light flurries early in the morning. Freezing levels around 1800m. . Moderate southwest winds.

Sunday: a mix of sun and cloud with no new snow expected. Light southwest winds and freezing levels rising to 2100m.

Monday: a mix of sun and cloud with no new snow expected. Light to moderate southwest winds and freezing levels around 2100m.

Avalanche Summary

On Thursday several natural wind slab avalanches up to size 2 were observed in the region as well as natural wind slab avalanches up to size 3 in the neighboring Waterton region.

Snowpack Summary

New wind slab can be found on easterly aspects in exposed treeline and above. 10 to 20cm overlies a crust on solar aspects and all aspects below 2000m. Moist snow will likely be observed below treeline.

Terrain and Travel

  • Expect slab conditions to change drastically as you move into wind exposed terrain.
  • Seek out sheltered terrain where new snow hasn't been wind-affected.

Régions couvertes