Bulletin d’avalanche

Jasper

Apr 14 – 15, 2015Parks Canada
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Archivé · expiré 11 years ago

Danger d’avalanche

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

Good spring skiing at upper elevations in sheltered locations.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Wind slabs have formed on lee slopes and cross loaded features at alpine and exposed tree line elevations.

  • Cornices

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2
    Cornice are large and ominous. Give them a wide berth whenever possible.

Weather Forecast

Cooling trend with light scattered snowfall up to 5cm and light to moderate Southwesterly winds.

Snowpack Summary

15cm to 20cm of recent storm snow has been whipped up by moderate winds into a windslab condition. This rests on a supportive temperature crust which exists up to 2500m.Weak basal facets are bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Three cornice failures were noted yesterday. One initiated a size 2 slab on Parkers ridge.

Confidence

Régions couvertes