Contents   Management and Analysis of Snow, Avalanche and Climate Data Avalanche Forecasting with GIS R. Bolognesi, M. Denuelle, L. Dexter 11 Data Magic: Converting Automated Hourly Data into Reliable Climate Information S. Breyfogle, S.A. Ferguson, D. Judd, R. Marriott, M.B. Moore, P. Pasteris, and K. Redmond 14 Analysis of Weather and Avalanche Records from Alta, Utah and Mammoth Mountain, California: Using Classification Trees Robert E. Davis, Kelly Elder, Daniel Howlett, Eddy Bouzaglou 14 Geliniv for Windows : An Integrated Software for Snow Data Analysis J.L. Dumas and C. Gendre 19 The Cyberspace Snow and Avalanche Center: An Avalanche Information Center for the Future Jim Frankenfield 27 Climate Change and Sierra Nevada Snowpack Tammy Johnson, Pete Fohl, Jeff Dozier 29 Visualization and Analysis of the Swiss Avalanche Bulletin using GPS Heiri Leuthold & Britta Allgöwer and Roland Meister 35 The New Westwide Avalanche Network Bruce Tremper, Dan Judd, Daniel Howlett, Randy Trover, Mark Moore, Dale Atkins, Kevin Heineken 41 Hazard Management and Public Warning The Canadian Avalanche Centre: Afive year retrospective Alan Dennis and Torsten Geldsetzer 44 Avalanche Forecasting in Iceland and Norway: Proposed Guidelines for Implementation and Operation of Local Avalanche Forecasting Krister Kristensen and Magnús Mar Magnússon 47 Preparedness of the Icelandic Meteorological Office in response to potential avalanche danger Magnús Mar Magnússon 53 Evolution of Public Avalanche Information: The North American Experience with Avalanche Danger Rating Levels Alan Dennis and Mark Moore 60 Decision-making on Variable Risk Terrain Dick Penniman and René Boisselle 67 ANENA: The French Association for Snow and Avalanche Study Francois Sivardière 73 Mountain Weather and Snowpack Near Surface Faceted Crystals: Conditions Necessary for Growth and Contribution to Avalanche Formation, Southwest Montana, U.S.A. Karl Birkeland, Ron Johnson, and Scott Schmidt 75 The Basic Ideas Behind Snow Metamorphism S. C. Colbeck 80 Observations on Buried Surface Hoar: Persistent Failure Planes for Slab Avalanches in British Columbia, Canada Robert E. Davis, Bruce Jamieson, Jill Hughes and Colin Johnston 81 Surface Hoar Growing for Several Days Akihiro Hachikubo and Eizi Akitaya 86 A Quantitative Precipitation Forecasting Method for Mountain Snowfall Jim Woodmencey 90 Dry-Slab Density and Thickness During Major Storms Art Mears 91 On the Topographical Origin of some Remaining Snow Patterns, "Yukigata" Yutaka Yamada 94