Banff Yoho Kootenay

Problèmes avalancheux

• 

  Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Likely - Very Likely

  Taille

  2–4

  Persistent slabs between 90 and 150cm deep are very touchy and skier/riders/climbers will almost certainly trigger these slides in terrain that has not previously avalanched.
• 

  Deep Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible

  Taille

  1–4

  Persistent slabs and wind slabs, once triggered, are stepping down producing large and destructive avalanches. This layer has been dormant for much of the winter, but it is awake and quite grumpy now.