Bulletin d’avalanche

Jasper

Apr 1 – 2, 2014Parks Canada
Voir sur la carte
Archivé · expiré 13 years ago

Danger d’avalanche

Thu
Fri
Alpin
3 · Marqué
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré

Points saillants

Problèmes avalancheux

  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    2–4
    There is a fair bit of uncertainty associated with weak mid-pack layers.  Although isolated, there have been numerous natural avalanches in the past 2 days that have failed in the mid-pack or on the ground. 
  • Storm Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    Recent storm snow has settled into a slab and is touchy on steep, unsupported terrain.

Weather Forecast

Cool overnight temperatures, light Southwest winds and only light scattered precipitation expected over the next 48hours. Freezing levels remain below treeline.

Snowpack Summary

45cm of storm snow continues to settle and has minimal wind affect in most places.

Avalanche Summary

Skier accidental sz 2.5 reported from the Shangri-La area today, triggered remotely from a shallow spot and stepped down to ground.  Avalanche control work in the Columbia Icefield area produced mainly storm slabs in the size 2 range and isolated larger avalanches up to size 3 that failed on ground. Widespread natural cycle in the past 24 hours. 

Confidence

Régions couvertes