Bulletin d’avalanche

Steamboat & Flat Tops

Colorado Avalanche Information Center
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Danger d’avalanche

Thu
Fri
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Périmé — ce bulletin a expiré 6 months ago. Vous consultez des conditions passées, pas le bulletin en cours.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Likely
    Taille
    1–2
  • Persistent Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–2

Avalanche Summary

You can trigger avalanches in freshly wind-drifted snow in steep upper-elevation terrain. Look for rounded pillows of snow and changes in snow density as you approach the top of gullies. If these crack when weighted, you have found dangerous snow. You are most likely to trigger larger avalanches on steep slopes with lots of trigger points and convex rolls. You may see multiple sets of tracks on a slope before you find a weaker area of the slab. You can find safer travel on slopes with a consistently deep snowpack and homogenous slope shape or on lower-angled slopes.

Régions couvertes