Alex Cooper

CMAH 2.0: Adding Hazard Ratings to the Conceptual Model

By Scott Thumlert This article was originally published in The Avalanche Journal, Vol. 137, Winter 2025 INTRODUCTIONAssessing, rating, and forecasting the physical hazard posed by snow avalanches is fundamental to daily work for avalanche professionals. Avalanche risk mitigation strategies (e.g. explosive control, communicating danger level and terrain advice to public, closing terrain at a resort,

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Letter: Upcoming Changes to the SFU Avalanche Research Program

This letter from Pascal Haegeli was published in The Avalanche Journal, Volume 139, Fall 2025 Dear members of the Canadian Avalanche Community, I want to share some important news about my personal future. On June 1, 2026, I will be taking on the leadership of the Snow Avalanche and Prevention research unit at the Swiss

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Video: Everett Clausen on the History of CIL and the CAA

ON CHRISTMAS DAY 1996, a young ski patroller at Big Sky, Montana, lost her life following an explosives accident while conducting avalanche control. The tragedy had repercussions across the North American avalanche world when explosives companies refused to supply industry in the aftermath. In Canada, the situation was looking dire when CIL Explosives stepped in

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CAA History Project Interview: Mike Boissonneault

Mike Boissonneault enjoyed a 37-year career in the Canadian avalanche industry, including 15 years as the head of the BC Ministry of Transportation’s avalanche program. Originally from Ottawa, Mike’s introduction to the avalanche industry was at the Granduc Mine north of Stewart, B.C., in 1979. When the mine closed in 1985, he moved nearby to

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