Qian Wu, National Center for Atmospheric Research, Boulder, CO, United States, William Steven Schreiner, University Corporation for Atmospheric Research, Boulder, CO, United States, Min-Yang Chou, United States, Iurii Cherniak, University Corporation for Atmospheric Research, Boulder, United States, John Braun, Univ Corp Atmospheric Research, Boulder, CO, United States and Eelco Doornbos, Royal Netherlands Meteorological Institute, Aerospace Engineering, De Bilt, Netherlands