Jasper

Problèmes avalancheux

• 

  Wind Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible - Likely

  Taille

  1–3

  Windslabs are present below corniced ridgelines. These slabs have not been reactive in the past week, however, warm temps and solar exposure may wake them up.
• 

  Loose Wet

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible - Likely

  Taille

  1–2

  Warmer temperatures and sunny skies will increase the likelihood these avalanches. These slides may trigger slab avalanches deeper in the snowpack, especially around convexities near treeline.
• 

  Deep Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Unlikely - Possible

  Taille

  2–4

  This layer is now buried by a settled upper snowpack. Triggering of this layer is still possible especially from a thin spot.