Banff Yoho Kootenay

Avalanche problems

• 

  Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpine
  • Treeline
  • Below treeline

  Likelihood

  Likely - Very Likely

  Size

  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

  • Alpine
  • Treeline
  • Below treeline

  Likelihood

  Possible

  Size

  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.