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- Title: MODELING WIND SLABS WITH THE SNOWPACK MODEL
- Date: 2026-09-28
- Authors: Bert Kruyt, Nander Wever, Karsten Müller
- Description: Computer simulations of snowpack stratigraphy and stability are increasingly being used to assist avalanche forecasting. These models make information...
- Object ID: ISSW2026_O7.7.pdf
- Keywords: snow, wind, modeling, snowpack, awsome.
- View additional details about MODELING WIND SLABS WITH THE SNOWPACK MODEL
- Title: MANAGING RISK AS A ROAMING SKI TOURING GUIDE
- Date: 2026-09-28
- Authors: Alex Geary
- Description: I define a Roaming Ski Touring Guide (RSTG) as: "Guiding across multiple areas or continents within a season, for multiple operations and on private t...
- Object ID: ISSW2026_O8.1.pdf
- Keywords: capacity, decision making, human factors, run lists, ski guiding, infoex
- View additional details about MANAGING RISK AS A ROAMING SKI TOURING GUIDE
- Title: AVALANCHE FORECASTING FOR ICE CLIMBERS: ESTIMATING EXPOSURE AND MANAGING OPERATIONAL UNCERTAINTY
- Date: 2026-09-28
- Authors: Tim Ricci
- Description: Avalanche bulletins give us the regional picture, but ice-climbing decisions are made at one climb, one start zone, one runout, and often one short se...
- Object ID: ISSW2026_O8.2.pdf
- Keywords: avalanche forecasting, ice climbing, spatial scale, uncertainty, exposure, operational risk
- View additional details about AVALANCHE FORECASTING FOR ICE CLIMBERS: ESTIMATING EXPOSURE AND MANAGING OPERATIONAL UNCERTAINTY
- Title: REVISITING AVALANCHE DESTRUCTIVE SCALE AND ASSOCIATED MASS ESTIMATES
- Date: 2026-09-28
- Authors: Erich H. Peitzsch, John M. Sykes, Zachary M. Guy, Ron Simenhois, Bruce Jamieson
- Description: Avalanche destructive (D) size classifications are essential for forecasting, communication, and risk management, yet size estimation remains one of t...
- Object ID: ISSW2026_O8.3.pdf
- Keywords: destructive scale, avalanche size, avalanche mass.
- View additional details about REVISITING AVALANCHE DESTRUCTIVE SCALE AND ASSOCIATED MASS ESTIMATES
- Title: HUMAN FACTOR SOLUTIONS FOR RECREATION IN AVALANCHE TERRAIN: DESIGN INPUTS FOR SKIERS AND SNOWBOARDERS
- Date: 2026-09-28
- Authors: Ian McCammon, Sara Boilen
- Description: When avalanche accidents happen to parties under conditions they were trained to avoid, suspected causes are frequently gathered under the term human ...
- Object ID: ISSW2026_O8.4.pdf
- Keywords: human factors, safety-ii, mixed-methods, emergent risk, intervention design
- View additional details about HUMAN FACTOR SOLUTIONS FOR RECREATION IN AVALANCHE TERRAIN: DESIGN INPUTS FOR SKIERS AND SNOWBOARDERS
- Title: TRACKING A PERSISTENT WEAK LAYER THROUGH ITS DRY AND WET PHASES USING SIMULATIONS INITIALIZED BY SNOW PIT PROFILES IN SALZBURG, AUSTRIA
- Date: 2026-09-28
- Authors: Michael Reisecker, Veronika Krieger
- Description: During winter 2025/26, the Austrian Alps experienced a pronounced persistent weak layer that produced several dry-slab avalanche cycles before a rapid...
- Object ID: ISSW2026_O8.5.pdf
- Keywords: modeling, forecasting, accidents, persistent weak layers, awsome
- View additional details about TRACKING A PERSISTENT WEAK LAYER THROUGH ITS DRY AND WET PHASES USING SIMULATIONS INITIALIZED BY SNOW PIT PROFILES IN SALZBURG, AUSTRIA
- Title: PROTECTING GUIDE JUDGMENT: OPERATIONAL RISK TOLERANCE DURING PERIODS OF UNCERTAINTY
- Date: 2026-09-28
- Authors: Erin Tierney
- Description: Expert judgment is fundamental to avalanche risk management, yet the experience and intuition that build that judgement is developed from repeated exp...
- Object ID: ISSW2026_O8.6.pdf
- Keywords: risk tolerance, decision-making, uncertainty, organizational change, intuition.
- View additional details about PROTECTING GUIDE JUDGMENT: OPERATIONAL RISK TOLERANCE DURING PERIODS OF UNCERTAINTY
- Title: VISUALIZATION OF RUN USAGE HISTORY AND OBSERVATIONS AS A DECISION-MAKING AID DURING PERIODS OF PERSISTENT WEAK LAYER AVALANCHE RISK
- Date: 2026-09-28
- Authors: Tristen Rasmussen, John Forrest, Ryan Merrill
- Description: Management of persistent weak layer (PWL) avalanche risk to guests and workers in the Helicopter Skiing Industry is of critical importance. PWL avalan...
- Object ID: ISSW2026_O8.7.pdf
- Keywords: avalanche forecasting, terrain usage, decision tools.
- View additional details about VISUALIZATION OF RUN USAGE HISTORY AND OBSERVATIONS AS A DECISION-MAKING AID DURING PERIODS OF PERSISTENT WEAK LAYER AVALANCHE RISK
- Title: INTERLINKING DAILY ASSESSMENTS: TOWARDS A MORE COMPREHENSIVE WORKFLOW IN PUBLIC AVALANCHE FORECASTING
- Date: 2026-09-28
- Authors: Norbert Lanzanasto, Matthias Walcher
- Description: Public avalanche warning services (AWS) assess avalanche hazard on a regional scale to support risk management for people, infrastructure, and propert...
- Object ID: ISSW2026_O9.1.pdf
- Keywords: public avalanche forecasting, workflow, hazard assessment, operational learnings
- View additional details about INTERLINKING DAILY ASSESSMENTS: TOWARDS A MORE COMPREHENSIVE WORKFLOW IN PUBLIC AVALANCHE FORECASTING
- Title: ASSIMILATION OF HUMAN JUDGMENT FOR MACHINE-GENERATED AVALANCHE TENDENCY FORECASTS: PERFORMANCE GAINS AND THE RISK OF FORECAST FEEDBACK LOOPS
- Date: 2026-09-28
- Authors: Frank Techel, Marc Ruesch, Stephanie Mayer
- Description: Swiss avalanche forecasters will soon issue map-based tendency forecasts two to three days ahead, a demanding and time-consuming task. We examine whet...
- Object ID: ISSW2026_O9.2.pdf
- Keywords: avalanche forecasting, feedback loops, artificial intelligence, decision-support systems
- View additional details about ASSIMILATION OF HUMAN JUDGMENT FOR MACHINE-GENERATED AVALANCHE TENDENCY FORECASTS: PERFORMANCE GAINS AND THE RISK OF FORECAST FEEDBACK LOOPS
- Title: APPLYING THE AVALANCHE DANGER SCALE: CONSISTENCY DEPENDS MORE ON THE SITUATION THAN THE FORECASTER
- Date: 2026-09-28
- Authors: Brian Lazar, Dylan Craaybeek, Frank Techel, Simon Horton, Mike Cooperstein, Simon Trautman, Ethan Greene
- Description: Public avalanche forecasts compress complex hazard assessments into a single danger level to guide backcountry recreationists' terrain choices. Danger...
- Object ID: ISSW2026_O9.3.pdf
- Keywords: avalanche danger scale, forecaster consistency, inter-rater reliability, judgment aggregation, avalanche problems, public avalanche forecasting
- View additional details about APPLYING THE AVALANCHE DANGER SCALE: CONSISTENCY DEPENDS MORE ON THE SITUATION THAN THE FORECASTER
- Title: HOW AND WHY ARE SNOWPACK MODELS USED OPERATIONALLY?
- Date: 2026-09-28
- Authors: Zachary Miller, Simon Horton, Stan Nowak, Christine Donnelly
- Description: Public avalanche forecasters in North America rely on sparse weather station and field observation networks, coupled with numerical weather models, to...
- Object ID: ISSW2026_O9.4.pdf
- Keywords: avalanche forecasting, snowpack modeling, large-scale operational model chain, spatial variability, avalanche problems
- View additional details about HOW AND WHY ARE SNOWPACK MODELS USED OPERATIONALLY?
- Title: CLOSING THE GAP BETWEEN SATELLITES AND FORECASTERS: EXPERIENCES FROM THE SWEDISH MOUNTAINS
- Date: 2026-09-28
- Authors: Jakob Grahn, Daniel Stødle, Petter Palmgren, Anton Grindgärds, Mattias Tarestad
- Description: Spaceborne synthetic aperture radar (SAR) can help observe avalanches across large and remote areas, but detection results alone are not enough for ro...
- Object ID: ISSW2026_O9.5.pdf
- Keywords: avalanche forecasting, synthetic aperture radar, avalanche detection, visualisation
- View additional details about CLOSING THE GAP BETWEEN SATELLITES AND FORECASTERS: EXPERIENCES FROM THE SWEDISH MOUNTAINS
- Title: AN EXTRAORDINARY WINTER IN TIROL: PERSISTENT WEAK LAYERS, PRO-LONGED INSTABILITY, AND COMMUNICATION CHALLENGES
- Date: 2026-09-28
- Authors: Matthias Walcher, Patrick Nairz, Bengt Haunerland
- Description: The 2025/26 winter season in Tirol, Austria, was characterized by an unusually widespread basal persistent weak layer (PWL) that remained relevant unt...
- Object ID: ISSW2026_O9.6.pdf
- Keywords: persistent weak layer, avalanche forecasting, prolonged instability, avalanche communication, lift-accessed terrain, operational resilience
- View additional details about AN EXTRAORDINARY WINTER IN TIROL: PERSISTENT WEAK LAYERS, PRO-LONGED INSTABILITY, AND COMMUNICATION CHALLENGES
- Title: FORECASTING CHALLENGES DURING A SEASON WITH UNPRECEDENTED AVALANCHE ACTIVITY: THE 2023-2024 WINTER IN SOUTH-WEST MONTANA
- Date: 2026-09-28
- Authors: Alex Marienthal, Doug Chabot, Ian Hoyer, Dave Zinn
- Description: During the 2023-24 winter in southwest Montana, persistent weak layers formed in December and early January which caused widespread avalanche activity...
- Object ID: ISSW2026_O9.7.pdf
- Keywords: avalanche forecasting; danger rating; napads; persistent weak layer; surface hoar
- View additional details about FORECASTING CHALLENGES DURING A SEASON WITH UNPRECEDENTED AVALANCHE ACTIVITY: THE 2023-2024 WINTER IN SOUTH-WEST MONTANA
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