Jasper

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

  Soft slabs 10-50cm overlay a buried surface hoar layer. A shift to winds from the NE may create slabs in areas that do not normally get high snow load. Saturday, a size 2 slab was observed on a convex roll at treeline on this layer.
• 

  Deep Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

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

  Probabilidad

  Unlikely - Possible

  Tamaño

  2–4

  Increased loads with wind or new snow may awaken this instability. Gully features in the alpine and treeline which have been heavily loaded may step down to this layer.