Bulletin d’avalanche

Jasper

Apr 19 – 20, 2012Parks Canada
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Archivé · expiré 14 years ago

Danger d’avalanche

Sat
Sun
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Should extended sunny periods combine with warm afternoon temperatures, the avalanche danger may increase quickly at all elevations.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Windslabs are present below corniced ridgelines. These slabs have not been reactive in the past week, however, warm temps and solar exposure may wake them up.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Warmer temperatures and sunny skies will increase the likelihood of these avalanches. These slides may trigger slab avalanches deeper in the snowpack, especially around convexities near treeline.

  • Deep Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    2–4
    This layer is now buried by a settled upper snowpack. Triggering of this layer is still possible especially from a thin spot.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain on Friday

Régions couvertes