Alud

Banner summit. Copper mtn

Chris TrollanBanner Summit
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Foto de la observación 1Foto de la observación 2

Quick report

Collapsing
specific

New storm snow on crust was very touchy. Storm snow interface with previous storm snow where there was no sun crust was very stable in wind sheltered terrain. High winds at upper elevation with significant loading...

Avalanche

Copper mtn. At 8000'. East with Slight Southeast aspect. 2 feet of new on sun crust. Remote trigger from 30' away from the top of the ridge. 80' x 2' crown ran 400 verticle through strainers/trees. Were very careful to avoid any slopes with crust layer. Were able to ski aggressively on East to North facing slopes. Did not encouter substantial wind affect. Soft pow on the ridge.