Session 5 | 
|   | Observed Climate Change: Part I (Room 608) | 
|   | Chair: Dale Kaiser, ORNL, Oak Ridge, TN 
 | 
 | 3:30 PM | 5.1 | Variability and trends in mountain snowpack in western north America      Philip W. Mote, University of Washington, Seattle, WA; and M. Clark and A. F. Hamlet | 
 | 3:45 PM | 5.2 | Variability and trends in United States snowfall over the last half century      Daria Scott, University of Delaware, Newark, DE; and D. Kaiser | 
 | 4:00 PM | 5.3 | Trends in 30-year satellite record of Arctic and Antarctic sea ice extent    Donald J. Cavalieri, NASA/GSFC, Greenbelt, MD; and C. L. Parkinson and K. Y. Vinnikov | 
 | 4:15 PM | 5.4 | Historical variability in Arctic surface air temperature records    James E. Overland, NOAA/PMEL, Seattle, WA; and M. Spillane and K. Wood | 
 | 4:30 PM | 5.5 | Trends in high clouds over the past 22 years     Donald Wylie, Univ. of Wisconsin, Madison, WI; and D. L. Jackson, P. Menzel, and J. J. Bates | 
 | 4:45 PM | 5.6 | Assessment of observational biases and changes in Canadian cloudiness    Xiaolan L. Wang, MSC, Downsview, ON, Canada; and F. W. Zwiers, V. R. Swail, and T. Yuzyk | 
 | 5:00 PM | 5.7 | Evaluation of cloud amount trends and connections to large scale dynamics      Todd D. Ellis, Colorado State University, Fort Collins, CO; and G. L. Stephens and D. W. J. Thompson |