Banff Yoho Kootenay

Problemas de aludes

• 

  Wind Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alta montaña
  • Límite del bosque
  • Bajo el límite del bosque

  Probabilidad

  Possible

  Tamaño

  1–2

  The expected snow and associated wind throughout Monday night will produce wind-slabs up to 30cm deep in lee areas at high elevations.
• 

  Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alta montaña
  • Límite del bosque
  • Bajo el límite del bosque

  Probabilidad

  Likely

  Tamaño

  2–4

  A slab overlies the Feb 14 surface hoar down 60-100 cm. This layer will be loaded with up to 25cm of storm snow by Tuesday afternoon. Expect natural activity and an increased potential for human triggering.
• 

  Deep Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alta montaña
  • Límite del bosque
  • Bajo el límite del bosque

  Probabilidad

  Possible

  Tamaño

  2–4

  Slabs starting on the Feb 14 layer can step down, triggering deep slabs. When triggered, these large and destructive avalanches will slide on basal facets close to the ground. Fracture lines could be up to 200cm deep with wide propagations.