Bulletin d’avalanche

Kananaskis

Feb 11 – 12, 2013Alberta Parks
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Archivé · expiré 14 years ago

Danger d’avalanche

Wed
Thu
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible
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Points saillants

Up to 5cm of new snow expected in the region by late Tuesday. Strong winds are also forecasted. Little change is expected in the danger rating unless more snow falls than is predicted. Travel is currently easy, with variable ski quality.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–4
    Between 0 and 20cm of recent snow currently overlies a hard wind slab in alpine and treeline areas. Shallow snowpack areas and steep convex features are potential triggering spots for this buried wind slab.

Confidence

Good

Weather Forecast

Up to 5cm of snow possible over the next 24hrs. Winds will be strong from the NW increasing to extreme by Tuesday afternoon. Alpine temperatures range between -8 and -12.

Avalanche Summary

Nothing new.

Snowpack Summary

Surface hoar and surface facetting in sheltered N aspects below treeline. Between 0 and 20cm of low density overlies a previously formed hard slab. The bond of this recent snow to the hard slab seems good in most areas. Basal facets persist and the snowpack is quite weak at lower elevations.

Régions couvertes