Jasper

Problèmes avalancheux

• 

  Wind Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible

  Taille

  1–2

  Steady moderate Southwest winds continue to build windslabs and cornices on Northerly aspects. Natural activity is reduced with this problem but be vigilant with as shallow spots or large cornice failures being possible triggers.
• 

  Persistent Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible

  Taille

  2–4

  The buried surface hoar layer 70-120cm down remains a concern in areas that have not avalanched. Whumphing is still being observed on isolated North shaded glades below treeline. Be cautious of this layer as triggering it would be high consequence.
• 

  Loose Wet

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible - Likely

  Taille

  1–3

  Cloud cover today reduced daytime heating but anytime the sun pokes out, loose wet avalanche activity will increase. Expect this activity originating from steep S or W aspect rock bluffs or gullies starting mid afternoon.