Renee A. Leduc Clarke, Narayan Strategy, Washington, MA; Alexander E. MacDonald, Spire Global, Inc., Global Validation Model, Boulder, CO; Larry E. Brazil, Riverside Technology, Inc., Fort Collins, CO; Timothy Canty, Univ. of Maryland, Department of Atmospheric and Oceanic Science, College Park, MD and Richard Clark, Millersville Univ., Earth Sciences, Millersville, PA