Daniel M Murphy¹, Karl D Froyd², Gregory P Schill², Charles A Brock³, Agnieszka Kupc⁴ and Christina Williamson⁵, (1)NOAA Boulder, Boulder, CO, United States, (2)NOAA/CIRES, Boulder, CO, United States, (3)NOAA, Boulder, United States, (4)University of Vienna, Faculty of Physics, Vienna, Austria, (5)NOAA/CIRES, Boulder, United States