Mt. Patterson Wind slab

Carte pour le rapport du Réseau d'information en montagne: Mt. Patterson Wind slab

Information

Épaisseur de la plaque
20cm
Largeur de la plaque
75m
Longueur d'écoulement de l'avalanche
75m
Caractère de l'avalanche
  • Plaque à vent
Type d'élément déclencheur
Skieur
Sous-type d'élément déclencheur
À distance
Distance du déclenchement à distance
5m
Versant de la zone de départ
  • S
Bande d'altitude de la zone de départ
  • Alpin
Exposition au vent
Pente sous le vent
Couverture forestière
Pente dégagée

Commentaires

Remote triggered a size 2 windslab while traversing on a bench above this unsupported, convex feature. Didnt even realize we triggered anything until we got lower! Entire south face was very wind affected. It seems like winds were blowing both uphill from the cauldron area and off the summit ridge in the opposite direction! We also encountered stubborn windslab on the bootpack up into the canyon which we were able to mitigate by ascending on old avy debris nearby. Careful route finding to keep things as mellow as possible.

Coverage in the valley and up into the canyon is amazing. Snow bridges everywhere we needed them, didn't need to take the skis off. There is a key bridge or two though that might not even make it to next weekend! River/creek would be an easy crossing though, if needed. Good spring snow for the 1000m run from the peak to the top of the canyon but unfortunately the vis was terrible. Some clouds blew in which was a shame.