Bulletin d’avalanche

Jasper

Apr 17 – 18, 2015Parks Canada
Voir sur la carte
Archivé · expiré 11 years ago

Danger d’avalanche

Sun
Mon
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

Cornices are large throughout the forecast area. Avoid slopes that could expose you to cornice failure.

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
    Natural cornice failures are being observed daily. Pay attention to what is above you and avoid cornice exposed slopes.

Weather Forecast

Light snow flurries overnight in the icefields area with some rain in the valley bottoms near the townsite. Temps will be cooler on Saturday with a mix of sun and clouds. The freezing level with rise only to 1500m during the day with only light NW winds. Warmer temperatures and sunny spring weather is expected to start Monday afternoon.

Snowpack Summary

Strong Southwesterly winds have created pockets of windslab and scoured any exposed areas at upper elevations. Weak basal facets are bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Natural cornice failures continue and many more are waiting their turn to fall.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Monday

Régions couvertes