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- Title: DEEP PERSISTENT SLAB AVALANCHES DURING THE 2019-2020 SEASON IN THE BRIDGER RANGE, MONTANA, USA: METEOROLOGICAL METRICS, ATMOSPHERIC PATTERNS, AND FORECASTING LESSONS
- Date: 2023-10-08
- Authors: Alex Marienthal, Andrew Schauer
- Description: During the 2019-2020 winter there was widespread deep persistent slab avalanche activity in Southwest Montana, with major avalanche cycles in multiple...
- Object ID: ISSW2023_P1.22.pdf
- Keywords: deep slab, meteorology, synoptic climatology
- View additional details about DEEP PERSISTENT SLAB AVALANCHES DURING THE 2019-2020 SEASON IN THE BRIDGER RANGE, MONTANA, USA: METEOROLOGICAL METRICS, ATMOSPHERIC PATTERNS, AND FORECASTING LESSONS
- Title: A HIGH-LEVEL METEOROLOGICAL ANALYSIS OF THE ORIGINS OF A DEEP PERSISTENT SLAB OVER BRITISH COLUMBIA; NOVEMBER – DECEMBER 2022
- Date: 2023-10-08
- Authors: Uwe Gramann
- Description: During fall and early winter of 2022, a deep persistent slab (DPS) formed within the snowpack of central and southern British Columbia that caused mul...
- Object ID: ISSW2023_P1.54.pdf
- Keywords: deep persistent slab; weather pattern, enso, la niña
- View additional details about A HIGH-LEVEL METEOROLOGICAL ANALYSIS OF THE ORIGINS OF A DEEP PERSISTENT SLAB OVER BRITISH COLUMBIA; NOVEMBER – DECEMBER 2022
- Title: WHAT COULD STOP DYNAMIC CRACK PROPAGATION IN DRY SNOW SLAB AVALANCHES?
- Date: 2023-10-08
- Authors: Francis Meloche, Grégoire Bobilier, Louis Guillet, Francis Gauthier, Alexandre Langlois, Johan Gaume
- Description: Dry snow slab avalanches are difficult to predict. The release process of dry-snow slab avalanche begins with an initial failure within a buried weak ...
- Object ID: ISSW2023_P1.57.pdf
- Keywords: avalanche release size, dynamic crack propagation, crack arrest, dampm, material point method, weak layer, slab, fracture
- View additional details about WHAT COULD STOP DYNAMIC CRACK PROPAGATION IN DRY SNOW SLAB AVALANCHES?
- Title: QUANTIFYING SHORT-TERM CHANGES IN SNOW STRENGTH DUE TO INCREASING LIQUID WATER CONTENT ABOVE HYDRAULIC BARRIERS
- Date: 2023-10-08
- Authors: Mikael Schlumpf, Jordy Hendrikx, John Stormont, Ryan Webb
- Description: The rapid weakening of snow layers that accumulate infiltrating liquid water is a well-known, but poorly quantified, mechanism for wet slab avalanche ...
- Object ID: ISSW2023_P1.63.pdf
- Keywords: wet snow, wet slab avalanches, blade hardness, liquid water content
- View additional details about QUANTIFYING SHORT-TERM CHANGES IN SNOW STRENGTH DUE TO INCREASING LIQUID WATER CONTENT ABOVE HYDRAULIC BARRIERS
- Title: CRUSTS AND FACETS: A CASE STUDY OF A SEASON WITH DEEP ISSUES NEAR GIRDWOOD, AK
- Date: 2023-10-08
- Authors: Andrew Schauer, Aleph Johnston-Bloom, Adam Smith, Matt McKee, Jim Kennedy
- Description: During the 2021-22 winter season, the snowpack in the southwest Chugach and northeast Kenai mountains near Girdwood, Alaska, was characterized by two ...
- Object ID: ISSW2023_O7.04.pdf
- Keywords: deep slab, crust, persistent weak layer, infrastructure, headache
- View additional details about CRUSTS AND FACETS: A CASE STUDY OF A SEASON WITH DEEP ISSUES NEAR GIRDWOOD, AK
- Title: HISTORIC WET SLAB AVALANCHE IN POST SEASON AT YELLOWSTONE CLUB: TIMING, RESPONSE, ANALYSIS, AND IMPLICATIONS
- Date: 2023-10-08
- Authors: Doug McCabe
- Description: In May of 2020, a very large, natural wet slab avalanche occurred in-bounds at the Yellowstone Club Ski Area after the ski area had ceased operations ...
- Object ID: ISSW2023_P2.18.pdf
- Keywords: wet slab avalanche, avalanche forecasting, ski area operations.
- View additional details about HISTORIC WET SLAB AVALANCHE IN POST SEASON AT YELLOWSTONE CLUB: TIMING, RESPONSE, ANALYSIS, AND IMPLICATIONS
- Title: TWO SEVERE AVALANCHE CYCLES IN 2020 AND 2023 IN RESIDENTIAL AREAS IN ICELAND PROVIDE VALUABLE INFORMATION ON AVALANCHE PROTECTIVE STRUCTURES
- Date: 2023-10-08
- Authors: Óliver Hilmarsson, Kristín Martha Hákonardóttir, Tómas Jóhannesson, Harpa Grímsdóttir
- Description: More than fifty snow avalanches have interacted with snow-supporting structures, braking mounds, deflecting dams, splitters and catching dams in Icela...
- Object ID: ISSW2023_P2.30.pdf
- Keywords: dry slab avalanches, protective structures, fluidized front
- View additional details about TWO SEVERE AVALANCHE CYCLES IN 2020 AND 2023 IN RESIDENTIAL AREAS IN ICELAND PROVIDE VALUABLE INFORMATION ON AVALANCHE PROTECTIVE STRUCTURES
- Title: SLOPE SCALE ESTIMATES OF CRACK PROPAGATION SPEEDS FROM AVALANCHE VIDEOS
- Date: 2023-10-08
- Authors: Ron Simenhois, Karl W. Birkeland, Johan Gaume, Alec van Herwijnen, Bastian Bergfeld, Bertil Trottet, Ethan Greene
- Description: Dry-snow slab avalanches release due to crack propagation in a weak snow layer under
a cohesive snow slab. Crack propagation speeds along the weak la...
- Object ID: ISSW2023_O9.01.pdf
- Keywords: avalanche, slab, weak layer, crack, speed, video
- View additional details about SLOPE SCALE ESTIMATES OF CRACK PROPAGATION SPEEDS FROM AVALANCHE VIDEOS
- Title: UNDERSTANDING METEOROLOGICAL CONTROLS ON WIND SLAB PROPERTIES
- Date: 2023-10-08
- Authors: Nathalie de Leeuw, Karl Birkeland, Jordy Hendrikx
- Description: Wind-deposited snow has a broad range of possible physical and mechanical properties. The properties of a wind slab layer can vary greatly over short ...
- Object ID: ISSW2023_O11.04.pdf
- Keywords: wind slab, wind transport, meteorological variables
- View additional details about UNDERSTANDING METEOROLOGICAL CONTROLS ON WIND SLAB PROPERTIES
- Title: TERRAIN SELECTION TACTICS FOR HELICOPTER SKIING - MANAGING AVALANCHE RISK DURING THE 2022-23 SEASON
- Date: 2023-10-08
- Authors: Scott Thumlert, Criag McGee, Carl Trescher
- Description: Managing snow avalanche risk during guided helicopter skiing operations is critical for guest and worker safety. The 2022-23 winter snowpack in Britis...
- Object ID: ISSW2023_O14.04.pdf
- Keywords: guided helicopter skiing, terrain selection tactics, avalanche risk management, deep persistent slab avalanche problem.
- View additional details about TERRAIN SELECTION TACTICS FOR HELICOPTER SKIING - MANAGING AVALANCHE RISK DURING THE 2022-23 SEASON
- Title: NEW PERSPECTIVE ON DRIFTING SNOW SLAB AVALANCHE
- Date: 2023-10-08
- Authors: Yusuke Harada, Ryuzo Wakabayashi, Kengo Moriyama
- Description: We introduce the idea that the top of the snowpack on a slope composed of wind-broken precipitation particles by creep and saltation of blowing snow (...
- Object ID: ISSW2023_O16.03.pdf
- Keywords: drifting snow, side-loading, slab avalanche, densification of snowpack
- View additional details about NEW PERSPECTIVE ON DRIFTING SNOW SLAB AVALANCHE
- Title: A FIELD TEST FOR THE MIXED-MODE FRACTURE TOUGHNESS OF WEAK LAYERS
- Date: 2023-10-08
- Authors: Valentin Adam, Bastian Bergfeld, Florian Rheinschmidt, Melin D. E. Walet, Jakob Schöttner, Philipp Weißgraeber, Alec van Herwijnen, Philipp L. Rosendahl
- Description: The triggering mechanisms of dry snow slab avalanches are subjected to a mixed-mode loading scenario driven by different dynamic loading conditions an...
- Object ID: ISSW2023_O16.05.pdf
- Keywords: dry-snow slab avalanches, fracture toughness, anticrack propagation, mixed-mode loading, weak snow layers
- View additional details about A FIELD TEST FOR THE MIXED-MODE FRACTURE TOUGHNESS OF WEAK LAYERS
- Title: SNOWPACK CHARACTERISTICS AT TRIGGERING LOCATIONS
- Date: 2023-10-08
- Authors: Ron Simenhois, Karl W. Birkeland, Jason Konigsberg, Doug Chabot, Ethan Greene
- Description: Travelers trigger dry slab avalanches by initiating a crack within a weak layer under a cohesive slab. Understanding the snowpack characteristics at t...
- Object ID: ISSW2023_O16.06.pdf
- Keywords: trigger points, stable snowpack, slab, weak layer, machine learning
- View additional details about SNOWPACK CHARACTERISTICS AT TRIGGERING LOCATIONS
- Title: TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES DURING THE TRANSITION FROM DRY TO WET SNOWPACK CONDITIONS
- Date: 2023-10-08
- Authors: Josh Lipkowitz, Erich Peitzsch, Jean Dixon, Marcus Kalb, Doug McCabe, Griffin Ditmar, Christoph Mitterer
- Description: Wet-snow slab avalanches are destructive and may become more prevalent in a warming climate. This type of avalanche remains challenging to forecast be...
- Object ID: ISSW2023_P3.23.pdf
- Keywords: wet slab, liquid water content, pst
- View additional details about TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES DURING THE TRANSITION FROM DRY TO WET SNOWPACK CONDITIONS
- Title: SUPERSHEAR CRACK PROPAGATION IN SNOW SLAB AVALANCHE RELEASE: NEW INSIGHTS FROM NUMERICAL SIMULATIONS AND FIELD MEASUREMENTS
- Date: 2023-10-08
- Authors: Grégoire Bobillier, Bertil Trottet, Bastian Bergfeld, Ron Simenhois, Alec van Herwijnen, Jürg Schweizer, Johan Gaume
- Description: The release process of dry-snow slab avalanches begins with a localized failure within a porous, weak snow layer that lies beneath a cohesive slab. Su...
- Object ID: ISSW2023_O2.01.pdf
- Keywords: supershear crack propagation, numerical modeling, dry-snow slab avalanche release
- View additional details about SUPERSHEAR CRACK PROPAGATION IN SNOW SLAB AVALANCHE RELEASE: NEW INSIGHTS FROM NUMERICAL SIMULATIONS AND FIELD MEASUREMENTS
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