Banff Yoho Kootenay

Problèmes avalancheux

• 

  Wind Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible - Likely

  Taille

  1–2

  Soft windslabs up to 30cm thick have formed in the immediate lees of ridgetops. These have been of low cohesion with not much significant mass. Expect moderate SW winds Tuesday in the alpine which will add thickness to these slabs.
• 

  Deep Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Unlikely - Possible

  Taille

  2–3

  Although we have seen less activity on this layer in the last week, light loads can still cause slides on the basal depth hoar/October rain crust. Steep, thin areas are the most prone to triggering. This is less prevalent in thicker snowpack areas.