Li Zhang¹, Georg A Grell², Stuart A McKeen¹, Raffaele Montuoro³, Gregory J Frost⁴, Ravan Ahmadov⁵, Judy Henderson⁶, Partha Bhattacharjee⁷, Cecelia DeLuca⁸, Li Pan⁹, Jeffrey McQueen¹⁰, Jun Wang¹¹, Ivanka Stajner¹², Shobha Kondragunta¹³, Xiaoyang Zhang¹⁴ and Fangjun Li¹⁵, (1)NOAA/ESRL, Boulder, CO, United States, (2)NOAA Earth System Research Laboratory, Boulder, CO, United States, (3)NOAA, ESRL/NESII, Boulder, CO, United States, (4)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (5)NOAA/ESRL/CSD, Boulder, CO, United States, (6)NOAA ESRL, GSD, Boulder, CO, United States, (7)IMSG AND EMC/NCEP/NOAA, Washington, DC, United States, (8)CIRES, University of Colorado Boulder, Boulder, CO, United States, (9)NOAA NWS NCEP/EMC and IMSG, College Park, MD, United States, (10)NOAA NWS, NCEP, College Park, MD, United States, (11)NOAA/NWS, EMC, Greenbelt, United States, (12)NOAA, National Weather Service, Silver Spring, MD, United States, (13)NOAA/NESDIS/STAR, College Park, MD, United States, (14)South Dakota State University, Brookings, SD, United States, (15)South Dakota State University, Geospatial Sciences Center of Excellence, Brookings, SD, United States