Developments in 4D-Var and Kalman Filtering - European Centre

filter4dFILTERED project aims to stimulate collaborative advocacy, promotion, action, and accountability at European and national level, including in Ukraine, forTechnical Memorandum No.347 1 Developments in 4D-Var and Kalman Filtering by Mike Fisher and Erik Andersson Abstract We discuss the status and the performance of the reduced rank