Implementing of lognormal humidity and cloud-related control variables for the NCEP GSI hybrid EnVAR Assimilation scheme.

Steven J Fletcher, Colorado State University, Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States, Daryl Kleist, NOAA/NWS/NCEP/EMC, College Park, United States and Kayo Ide, University of Maryland, College Park, MD, United States