1. Department of Earth, Environmental, and Atmospheric Sciences, Western Kentucky University, Bowling Green, Kentucky;
2. TruWeather Solutions, Reston, Virginia;
3. NOAA/OAR/Global Systems Laboratory, Boulder, Colorado;
4. School of Meteorology, University of Oklahoma, Norman, Oklahoma;
5. Nurture Nature Center, Easton, Pennsylvania;
6. NOAA/NWS/Office of Observations, Silver Spring, Maryland;
7. NOAA/NWS/NCEP/Environmental Modeling Center, College Park, Maryland;
8. The Weather Company, IBM, Boulder, Colorado;
9. National Center for Atmospheric Research, Boulder, Colorado;
10. UCAR, Boulder, Colorado;
11. Department of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, Pennsylvania;
12. OurWeather, Hainesport, New Jersey;
13. Department of Atmospheric Sciences, Texas A&M University, College Station, Texas