- Soumis par
- nmk4
- Date d'observation
- vendredi 28 avril 2023 à 16 h 00
- Localisation
- 50.103104° N 122.865491° W
- Rapport concernant
- Conditions de neige
/-122.86549097077364,50.10310384055609,8,0,0/1026x200?access_token=pk.eyJ1IjoiYXZhbGFuY2hlY2FuYWRhIiwiYSI6ImNqd2dvZmUxdzE4ZWg0M2tkaXpuNG95aTQifQ.pBLM87fE3sIxRJqJT7Bf7g)
Express
Avalanche
Manteau neigeux
Météo
Incident
Information
- Date/heure de l'avalanche
- jeudi 27 avril 2023 à 01 h 00
- Estimation de l'heure d’occurrence de l’avalanche
- > 48 heures
- Nombre d'avalanches dans ce rapport
- 6 à 10
- Taille de l’avalanche
- 3
- Longueur d'écoulement de l'avalanche
- 300m
- Caractère de l'avalanche
- Plaque persistante
- Type d'élément déclencheur
- Naturel
- Versant de la zone de départ
- S
- SO
- Bande d'altitude de la zone de départ
- Alpin
- Limite forestière
- Date d'ensevelissement de la couche fragile
- vendredi 31 mars 2023
- Type de cristaux de la couche fragile
- Grains à faces planes
- Croûte près d'une couche fragile
- Oui
- Exposition au vent
- Pente chargée latéralement
- Couverture forestière
- Pente dégagée
Commentaires
Starting the evening of Wednesday April 26th and through today, multiple sz 2.5 - 3 Na persistent slab avalanches have released along Phalanx ridge above the Blackcomb Glacier. Most notable was a sz 3 out of Boney Basin which occurred Wednesday evening during the beginning of the warming trend (see photos). Husume, Corona, S-turn and the poop chutes have also ran naturally sz 2.5-3 over the last couple days. Photos attached have been taken by ski patrol documenting the activity which has mostly occurred between the late morning and late evening daily over the last few days. We have also seen Na sz 2-2.5 avalanches running in Lakeside Bowl and have documented up to sz 3 avalanches occurring in Garibaldi provincial park as observed from the ski area. Please pay attention to the current SPAW - there is an active/ongoing wet loose/wet slab/persistent slab natural avalanche cycle occurring in the backcountry.