Hybrid-Mixed Lognormal-Gaussian 3D and 4D VAR

Steven J Fletcher1, Michael Goodliff2, Anton Kliewer2, Andrew S Jones2 and John Michael Forsythe2, (1)Colorado State University, Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States, (2)Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States