Search the International Snow Service Workshops (ISSW) Proceedings Professional Papers and Poster Talks Publications database

Your search for Subject snoqualmie pass, washington, usaresulted in 14 records.

Title: Storm Snow Avalanches: Characteristics and Forecasting: Date: 2012; Authors: Edward H. Bair, Ron Simenhois, Alec van Herwijnen, Karl Birkeland, Jeff Dozier; Description: At ski areas, a majority of avalanches fail in storm snow. We investigate these avalanches using stability tests and avalanche observations from Calif...; Object ID: issw-2012-111-114.pdf; Keywords: storm snow, ski area, extended column test; View additional details about Storm Snow Avalanches: Characteristics and Forecasting

Title: An Experimental Dynamic Response Study of Hard Slab Seasonal Snow to Explosive Avalanche Hazard Mitigation: Date: 2012; Authors: Josephine Bones, Daniel Miller, Scotty Savage; Description: Avalanche hazard mitigation programs routinely use explosive charges to release avalanches and test slope stability, but fundamental understanding of ...; Object ID: issw-2012-142-148.pdf; Keywords: snowslope stability, avalanche control by explosives, blast bolt, hard slab,; View additional details about An Experimental Dynamic Response Study of Hard Slab Seasonal Snow to Explosive Avalanche Hazard Mitigation

Title: I-90 Snoqualmie Pass: Evolution of an Interstate Highway Avalanche Program: Date: 2010; Authors: Craig Wilbour, John Stimberis; Description: Interstate 90 over Snoqualmie Pass, WA (921 m) is the major highway through the Cascade Mountains of Washington State. Snoqualmie Pass receives an av...; Object ID: ISSW_O-048.pdf; Keywords: snow sheds, avalanche fences, explosives tramways, highways; View additional details about I-90 Snoqualmie Pass: Evolution of an Interstate Highway Avalanche Program

Title: Deformation Analysis of the Propagation Saw Test: Date: 2010; Authors: Chris Borstad, David McClung; Description: We present results of high speed photography films which show that the scale of slope normal deformation prior to unstable fracture in the propagatio...; Object ID: ISSW_O-009.pdf; Keywords: propagation saw test, kootenay pass, british columbia; View additional details about Deformation Analysis of the Propagation Saw Test

Title: Glide Avalanche Response to an Extreme Rain-on-Snow Event, Snoqualmie Pass, Washington, USA: Date: 2009; Authors: John Stimberis, Charles M. Rubin; Description: Rain-on-snow events trigger immediate and delayed avalanches as liquid water penetrates the snowpack. We present results from an extreme rain-on-snow ...; Object ID: issw-2009-0301-0305.pdf; Keywords: glide avalanches, rain-on-snow, snow glide; View additional details about Glide Avalanche Response to an Extreme Rain-on-Snow Event, Snoqualmie Pass, Washington, USA

Title: Snow and Weather Conditions Study for the Avalanches on the Lautaret Pass Road (French Alps): Date: 2009; Authors: Daniel Goetz; Description: This study aims at characterizing snow and weather conditions typical of avalanche events on the Lautaret pass road. Historical data of avalanche obs...; Object ID: issw-2009-0433-0437.pdf; Keywords: avalanches, lautaret pass road, snow and weather conditions, climatology, expert rules; View additional details about Snow and Weather Conditions Study for the Avalanches on the Lautaret Pass Road (French Alps)

Title: Numerical Avalanche Prediction in Bear Pass, British Columbia, Canada: Date: 2002; Authors: James A. Floyer, David M. McClung; Description: A numerical avalanche prediction scheme offering prediction rates greater than 70% is under development for the Bear Pass highway operation, British C...; Object ID: issw-2002-149-151.pdf; Keywords: avalanche prediction numerical modeling; View additional details about Numerical Avalanche Prediction in Bear Pass, British Columbia, Canada

Title: Aerial Detonation Routines at Snoqualmie Pass - Explosive Deliver Trams, Methods, or Madness at the Low Pass: Date: 2000; Authors: Rob Gibson, Lee Redden, John Stimberis, Jon Barker; Description: Inspired by Bridger Ski Area's jiffy-wire trams shown at the 1982 ISSW field trip, efforts were begun to apply similar methods around Snoqualmie Pass....; Object ID: issw-2000-333-337.pdf; Keywords: aerial charges, explosives, rifle ammunition; View additional details about Aerial Detonation Routines at Snoqualmie Pass - Explosive Deliver Trams, Methods, or Madness at the Low Pass

Title: Snow Stability Trends at Wolf Creek Pass, Colorado: Date: 2000; Authors: Mark Mueller; Description: While studying historical weather and avalanche data for Wolf Creek Pass (US 160), Colorado, I identified a relationship between average new snow dens...; Object ID: issw-2000-147-152.pdf; Keywords: avalanches, avalanche forecasting, snow stability, weather and avalanche historical data; View additional details about Snow Stability Trends at Wolf Creek Pass, Colorado

Title: Use of Vortex Generators to Eliminate Snow and Sand Drifting on Washington State Highways: Date: 2000; Authors: Mike Stanford; Description: Drifting snow and sand on state highways has been a problem for travelers and state workers for as long as there have been roads. This presentation wi...; Object ID: issw-2000-317-320.pdf; Keywords: highways, generator, snow, sand, drifting; View additional details about Use of Vortex Generators to Eliminate Snow and Sand Drifting on Washington State Highways

Title: Ski Area Avalanche Control a Summary of Methods, Procedures and Manpower: Date: 1992; Authors: Larry Heywood, Carolyn Craig; Description: This past winter forty nine U.S. ski areas were sent questionnaires regarding their avalanche control program. The questionnaire surveyed a variety of...; Object ID: issw-1992-191-204.pdf; Keywords: explosives, control, rescue, forecasting; View additional details about Ski Area Avalanche Control a Summary of Methods, Procedures and Manpower

Title: Low Cost Explosive Delivery Systems for Avalanche Control: Date: 1988; Authors: Lee Redden; Description: Avalanche controllers in Snoqualmie Pass's maritime climate are currently using up to 25 kg bombs on routine missions. Over the past few years, three ...; Object ID: issw-1988-028-033.pdf; Keywords: bombs, low-cost, control, explosive, delivery systems; View additional details about Low Cost Explosive Delivery Systems for Avalanche Control

Title: The Chinook Pass Avalanche Control Program: Date: 1986; Authors: Craig R. Wilbour; Description: The Chinook Pass avalanche control season occurs in the spring starting in mid April. Warming is a factor in all avalanches. Methods of avalanche cont...; Object ID: issw-1986-195-200.pdf; Keywords: warming, avalanche control, wet snow, snowpack; View additional details about The Chinook Pass Avalanche Control Program

Title: Measurements of the Amount of Snow Brought Down by Avalanches: Date: 1984; Authors: P.A. Schaerer; Description: Annual mass of avalanche snow has been observed for 18 years on 45 paths at Rogers Pass. The proportion of avalanche snow making up the total snowfall...; Object ID: ISSW-1984-078-079.pdf; Keywords: annual mass, snowfall, run-out zones; View additional details about Measurements of the Amount of Snow Brought Down by Avalanches