[1] Univ Utah, Dept Atmospher Sci, Salt Lake City, UT 84112 USA
[2] Yonsei Univ, Dept Atmospher Sci, Global Environm Lab, Seoul 120749, South Korea
[3] Chinese Acad Meteorol Sci, Inst Arid Meteorol, Lanzhou 730020, Peoples R China
[4] NOAA, Environm Modeling Ctr, Natl Ctr Environm Predict, Camp Springs, MD 20746 USA