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- Title: NEW INSIGHTS OF MECHANICAL SNOWPACK PROPERTIES MEASURED BY ACOUSTIC AND SEISMIC DISTRIBUTED FIBER OPTIC SENSING
- Date: 2026-09-28
- Authors: Alexander Prokop, Nicola Agostinetti, Benedikt Anwander, Bernhard Grasemann
- Description: Since 2012 we successfully monitor avalanche activity using distributed seismic fiber optic sensing at our avalanche test area at Lech am Arlberg, Aus...
- Object ID: ISSW2026_O1.5.pdf
- Keywords: distributed seismic sensing, fiber optic, weak layer collapse, mechanical properties
- View additional details about NEW INSIGHTS OF MECHANICAL SNOWPACK PROPERTIES MEASURED BY ACOUSTIC AND SEISMIC DISTRIBUTED FIBER OPTIC SENSING
- Title: FROM FAILURE TO FRACTURE: FIELD MEASUREMENTS OF STRENGTH AND FRACTURE TOUGHNESS OF BURIED SURFACE HOAR UNDER MIXED-MODE LOADING
- Date: 2026-09-28
- Authors: Melin Walet, Jakob Schöttner, Valentin Adam, Florian Rheinschmidt, Philipp Weißgraeber, Philipp Rosendahl, Jürg Schweizer, Alec van Herwijnen
- Description: Dry-snow slab avalanche release involves failure initiation in a weak layer followed by crack propagation. Weak layer strength describes resistance to...
- Object ID: ISSW2026_O1.6.pdf
- Keywords: weak layers, mixed-mode fracture toughness, multiaxial strength, field experiments, snow mechanics
- View additional details about FROM FAILURE TO FRACTURE: FIELD MEASUREMENTS OF STRENGTH AND FRACTURE TOUGHNESS OF BURIED SURFACE HOAR UNDER MIXED-MODE LOADING
- Title: Slab Fractures during Dynamic Crack Propagation in Dry-Snow Slab Avalanches
- Date: 2026-09-28
- Authors: Francis Meloche, Bertil Trottet, Grégoire Bobillier, Johan Gaume
- Description: Predicting the size of dry-snow slab avalanches remains difficult, limiting hazard assessment despite major advances in the understanding of crack ini...
- Object ID: ISSW2026_O1.7.pdf
- Keywords: slab fracture, crack propagation, avalanche size, release size index
- View additional details about Slab Fractures during Dynamic Crack Propagation in Dry-Snow Slab Avalanches
- Title: MANAGING SURGICAL RISK LIKE A MOUNTAIN GUIDE
- Date: 2026-09-28
- Authors: Alexander Miles, Tim Ricci, Geoff Osler, Jonathan S. White, Simon R. Turner
- Description: While the professions of surgery and mountain guiding may seem quite different, there appear to be many similar challenges faced by both groups. Ultim...
- Object ID: ISSW2026_O10.1.pdf
- Keywords: risk, decision making, safety, education
- View additional details about MANAGING SURGICAL RISK LIKE A MOUNTAIN GUIDE
- Title: THIN-SLICING IN AVALANCHE FORECASTING: EXPLORING THE ROLE OF EXPERIENCE-BASED PATTERN RECOGNITION IN OPERATIONAL DECISION MAKING
- Date: 2026-09-28
- Authors: Jake M. Hutchinson
- Description: This exploratory survey began with a simple operational question: when avalanche professionals first build a hazard picture, does the initial forecast...
- Object ID: ISSW2026_O10.2.pdf
- Keywords: avalanche forecasting, professional intuition, recognition, decision making, training
- View additional details about THIN-SLICING IN AVALANCHE FORECASTING: EXPLORING THE ROLE OF EXPERIENCE-BASED PATTERN RECOGNITION IN OPERATIONAL DECISION MAKING
- Title: THE RUN LIST IN MECHANISED SKIING: HISTORY, EVOLUTION AND CURRENT PRACTICE
- Date: 2026-09-28
- Authors: Peter Macpherson, Scott Thumlert
- Description: Managing exposure to avalanche hazard through terrain selection is the primary avalanche risk mitigation strategy in winter backcountry guiding. The r...
- Object ID: ISSW2026_O10.3.pdf
- Keywords: run list, run coding, mechanized skiing, canadian mountain holidays, terrain selection, avalanche risk management, decision-making
- View additional details about THE RUN LIST IN MECHANISED SKIING: HISTORY, EVOLUTION AND CURRENT PRACTICE
- Title: OPERATIONAL MEETINGS IN AVALANCHE OPERATIONS: IMPORTANCE, CHALLENGES, AND FUTURE
- Date: 2026-09-28
- Authors: Marc R Piché
- Description: Operational meetings remain one of the central decision-making tools in avalanche risk management. In many field programs, they are where weather, sno...
- Object ID: ISSW2026_O10.4.pdf
- Keywords: avalanche operations, operational meetings, human factors, decision support, artificial intelligence
- View additional details about OPERATIONAL MEETINGS IN AVALANCHE OPERATIONS: IMPORTANCE, CHALLENGES, AND FUTURE
- Title: PRACTITIONERS' INTERPRETATION OF AVALANCHE PROBLEM TYPE AND DISTRIBUTION WITHIN THE CONCEPTUAL MODEL OF AVALANCHE HAZARD
- Date: 2026-09-28
- Authors: Aaron C. Barnett, Andrew Forsman, Eeva Latosuo, Ryan Minton
- Description: The Conceptual Model of Avalanche Hazard (CMAH) was created to be a systematic, consistent workflow for avalanche hazard and risk assessment. It is a ...
- Object ID: ISSW2026_O10.6.pdf
- Keywords: conceptual model of avalanche hazard, decision aid, avalanche forecasting, expert interpretation, avalanche type, distribution
- View additional details about PRACTITIONERS' INTERPRETATION OF AVALANCHE PROBLEM TYPE AND DISTRIBUTION WITHIN THE CONCEPTUAL MODEL OF AVALANCHE HAZARD
- Title: A CLOSER LOOK AT SLOPE ANGLES OF ACCIDENTALLY TRIGGERED PERSISTENT AND DEEP PERSISTENT SLAB AVALANCHES
- Date: 2026-09-28
- Authors: Roger Atkins, John Sykes, Nicholas Rigby, Pascal Haegeli
- Description: Persistent slab avalanches remain a challenge for backcountry avalanche risk management. Of the 222 fatal avalanche accidents in Canada with known wea...
- Object ID: ISSW2026_O10.7.pdf
- Keywords: avalanche risk management, perception gap, lingering instability, low angle avalanches
- View additional details about A CLOSER LOOK AT SLOPE ANGLES OF ACCIDENTALLY TRIGGERED PERSISTENT AND DEEP PERSISTENT SLAB AVALANCHES
- Title: A VERY LARGE WET SLAB AVALANCHE SURPRISED US, WHICH IS FUNNY BECAUSE THE SAME THING HAPPENED 31 YEARS EARLIER
- Date: 2026-09-28
- Authors: Tully Hamer, Sean Fallon, Jeff Bristow, Aleph Johnston-Bloom
- Description: Wet slab avalanches at Alyeska Ski Resort in Girdwood, Alaska, have historically caused significant infrastructure damage and are among the most unpre...
- Object ID: ISSW2026_O11.1.pdf
- Keywords: wet slabs, operational forecasting, crusts, mental models
- View additional details about A VERY LARGE WET SLAB AVALANCHE SURPRISED US, WHICH IS FUNNY BECAUSE THE SAME THING HAPPENED 31 YEARS EARLIER
- Title: POWERLESS: ANATOMY OF AN HISTORIC STORM CYCLE
- Date: 2026-09-28
- Authors: Robert Griffith, Mike Rheam
- Description: The second-largest storm in the history of Jackson Hole Mountain Resort (JHMR) occurred in February 2017. Referred to as the "Powerline Storm", this 1...
- Object ID: ISSW2026_O11.2.pdf
- Keywords: incidents and case studies, operations and program management, ski area, storm cycle, atmospheric river
- View additional details about POWERLESS: ANATOMY OF AN HISTORIC STORM CYCLE
- Title: INSIGHTS INTO AVALANCHE FLOW REGIMES FROM A HIGH PRECIPITATION, HIGH RELIEF REGION IN NEW ZEALAND
- Date: 2026-09-28
- Authors: Aubrey Miller, Pascal Sirguey, Perry Bartelt, Nicolas Cullen, Yves Bühler
- Description: Snow avalanches in high-relief maritime mountains may release from cold alpine snowpacks yet descend through the rain-snow transition into warm, satur...
- Object ID: ISSW2026_O11.3.pdf
- Keywords: flow regime change, large avalanche, maritime, ramms, new zealand
- View additional details about INSIGHTS INTO AVALANCHE FLOW REGIMES FROM A HIGH PRECIPITATION, HIGH RELIEF REGION IN NEW ZEALAND
- Title: LARGE AVALANCHES IN FORESTED TERRAIN IN PIRIN MOUNTAINS – TREE-RING AND NUMERICAL SIMULATIONS ANALYSIS
- Date: 2026-09-28
- Authors: Momchil Panayotov, Nickolay Tsvetanov, Violeta Kotova, Valentin Balov, Yves Bühler, Perry Bartelt, Peter Bebi
- Description: Pirin National park in Bulgaria is refuge of some of the best-preserved endemic Pinus peuce and Pinus heldreichii forests in the world. Due to the ste...
- Object ID: ISSW2026_O11.4.pdf
- Keywords: avalanches, dendrochronology, ramms::extended, pirin mountains, bulgaria
- View additional details about LARGE AVALANCHES IN FORESTED TERRAIN IN PIRIN MOUNTAINS – TREE-RING AND NUMERICAL SIMULATIONS ANALYSIS
- Title: THE DANGER ZONE
- Date: 2026-09-28
- Authors: Steve Conger, Colin Zacharias
- Description: Too many avalanche workers have made the decision to position themselves or coworkers, helicopters, snowcats, or vehicles, in the run out of an avalan...
- Object ID: ISSW2026_O11.5.pdf
- Keywords: risk, relative size, destructive size, forecasting, professional incidents, near-miss, full-extent
- View additional details about THE DANGER ZONE
- Title: THE RAIN FINALLY STOPPED: A HISTORIC ATMOSPHERIC RIVER AVALANCHE CYCLE AT ROGERS PASS, BC (2026)
- Date: 2026-09-28
- Authors: Mark Herbison, Dan Hudson, Catherine Brown, Danyelle Magnan
- Description: The transportation corridor through Rogers Pass, exposed to 135 avalanche paths over 43 km of road is one of Canada's highest snowfall regions (10–1...
- Object ID: ISSW2026_O11.6.pdf
- Keywords: atmospheric river, historic avalanche cycle, rogers pass, highway avalanche hazard, artillery, parks canada
- View additional details about THE RAIN FINALLY STOPPED: A HISTORIC ATMOSPHERIC RIVER AVALANCHE CYCLE AT ROGERS PASS, BC (2026)
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