1. Cooperative Institute for Satellite Earth System Studies (CISESS), North Carolina State University, Asheville, NC 28801, USA
2. NOAA’s National Centers for Environmental Information (NCEI), Asheville, NC 28801, USA
3. Earth System Science Interdisciplinary Center (ESSIC), University of Maryland, College Park, MD 20742, USA
4. Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309, USA
5. NOAA Physical Sciences Laboratory, Boulder, CO 80305, USA