Bulletin d’avalanche

Banff Yoho Kootenay

Feb 18 – 19, 2013Parks Canada
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Archivé · expiré 14 years ago

Danger d’avalanche

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

10 cm of new snow with little wind improved the travel conditions but did very little to increase the avalanche danger. Caution is still advised for older windslabs lingering on steep open slopes.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    There is still a real possibility of triggering a wind slab on the right slope. Steep unsupported slopes near ridgecrests are the most likely terrain and should be avoided.

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Wind earlier in the week has created some ripe touchy cornices. Some older cornices are starting to cleave off as well.

Weather Forecast

A ridge of high pressure will build in for Monday, followed by a weak front with little precipitation Tuesday and colder weather through till the end of the week.

Snowpack Summary

Approximately10 cm of new snow fell with very little wind. This was not enough to really increase the avalanche danger. There are still some lingering windslabs and some ripe cornices to be aware of. Shallow snowpack areas are weak.

Avalanche Summary

No new avalanche activity has been observed.

Confidence

Régions couvertes