The 22nd annual Colorado Snow and Avalanche Workshop

The 22nd annual Colorado Snow and Avalanche Workshop will be held on Thursday, October 13 and Friday, October 14.

Learn about topics such as human-triggered avalanches that occurred during low-danger periods, drivers of terrain selection in ski guides, upcoming CAIC program changes, and much, much more!

Thursday’s lineup is completely Virtual with a full day of informational sessions from 8 am to 12:45 pm.

Thursday, October 13:

Welcome 8:00 AM to 8:10 AM – Ethan Greene

Session 1 – Avalanche Release

8:10 AM to 8:15 AM | Session Intro | Moderators – Karl Birkeland and Ron Simenhois

8:15 AM to 8:45 AM | The effect of spatially variable snow depths on avalanche triggering by skiers and snowboarders. | Francis Meloche, Johan Gaume, Louis Guillet, Francis Gauthier, Alexander Langlois

8:45 AM to 9:15 AM | An index for crack propagation derived from field measurements | Bastian Bergfeld, Alec van Herwijnen

9:15 AM to 9:45 AM | Snow instability in a changing climate | Stephanie Mayer, Alec van Herwijnen, Jürg Schweizer

Break 9:45 AM to 10:05 AM

Session 2 – Technology and Avalanche Detection

10:05 AM to 10:15 AM | Session Intro | Moderators – Erich Peitzsch and Jeff Deems

10:15 AM to 10:45 AM | Large-scale avalanche mapping from optical satellite imagery | Elisabeth Hafner, Yves Bühler

10:45 AM to 11:15 AM | Investigating glide-snow avalanches with 10 years of time-lapse photography | Amelie Fees, Moritz Altenbach, Michael Lombardo, Alec Van Herwijnen, Jürg Schweizer

Break 11:15 AM to 11:30 AM

Session 3 – Modeling, Measuring, and Mapping Snow Depth

11:30 AM to 11:35 AM | Session Intro | Moderators – Erich Peitzsch and Jeff Deems

11:35 AM to 12:05 PM | Refining snowpack model predictions with snow depth observations | Simon Horton, Pascal Haegeli

12:05 PM to 12:35 PM | Community Snow Observations – From Concept to Operational Snow Distribution Modeling | Dave Hill, Nina Aragon, Gabe Wolken, Katreen Wikstrom Jones, Anthony Arendt, Emilio Mayorga

Closing 12:35 PM to 12:45 PM – Ethan Greene

Friday, October 14:

On Friday, CSAW will be back at the Riverwalk Center in Breckenridge for a live, in-person event.

7:30 am to 8:30 am | American Avalanche Association (A3) General Member Meeting (PRE EVENT MEETING – NOT LIVE STREAMED)

8:30 AM to 8:40 AM | Welcome | Ethan Greene

8:40 AM to 9:10 AM | The story of the Hiland Road avalanche with prequel and sequel | Eeva Latosuo, Brad Meiklejohn, Timothy Glassett, Paul Wunnicke

9:10 AM to 9:35 AM | Tracking liquid water flow in snow with hyperspectral imaging and upward-looking radar: A new era in snow pit characterization | Kevin Hammonds, Chris Donahue, McKenzie Skiles, James Dillon, Evan Schehrer

9:35 AM to 10:00 AM | Automated Avalanche Terrain Exposure Scale (ATES) Mapping – Localization and Validation in Western Canada | John Sykes, Håvard Larsen

10:00 AM to 10:30 AM | Break

10:30 AM to 10:55 AM | Characteristics of human-triggered avalanches that occurred during low danger in southwest Montana | Alex Marienthal

10:55 AM to 11:20 AM | Is slab tension a condition that makes rider-triggered avalanches more likely? | Bruce Jamieson

11:20 AM to 11:45 AM | What We Can Learn from 55 Years of Snowy Torrents | Emma Walker, Spencer Logan, Blase Reardon

11:45 AM to 1:15 PM | Lunch – Enjoy the restaurants around Breckenridge!

1:15 PM to 1:40 PM | 2022-2023 Winter Weather Outlook | Mark Miller

1:40 PM to 2:05 PM| Drivers of Terrain Selection in Professional Ski Guides | John Sykes, Pascal Haegeli

2:05 PM to 2:30 PM | Rating avalanche size – from far and near | Bruce Jamieson and Wren McElroy

2:30 PM to 3:00 PM | Break

3:00 PM to 3:25 PM | A Public Health Approach to Avalanche Education | Kelly McNeil

3:25 PM to 3:50 PM | CAIC Program Changes | Spencer Logan

3:50 PM to 4:15 PM | Comparing and contrasting avalanche danger during the 20/21 and 21/22 winters across the western United States | Karl Birkeland, Simon Trautman

4:15 PM to 4:30 PM | Closing | Ethan Greene

4:30 PM to 5:30 PM | Social hour | Beer from Breckenridge Brewery

Head to this link to register now:


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