TY - SLIDE KW - workshop KW - data assimilation KW - flow-dependent AU - J.S. Whitaker AU - T.M. Hamill AU - G.P. Compo AU - X Wang C1 - Events DA - 2007 LA - eng PY - 2007 TI - Impacts of flow-dependent background-error covariances in the NCEP global forecast system UR - https://www.ecmwf.int/node/15668 ER -