@misc{79115, keywords = {workshop, data assimilation, flow-dependent}, author = {J.S. Whitaker and T.M. Hamill and G.P. Compo and X Wang}, title = {Impacts of flow-dependent background-error covariances in the NCEP global forecast system}, year = {2007}, month = {2007}, url = {https://www.ecmwf.int/node/15668}, language = {eng}, }