@phdthesis{74869, author = {A. Hollingsworth and P. Lönnberg}, title = {The statistical structure of short range forecast errors as determined from radiosonde data Part I: The wind field}, year = {1984}, journal = {Seminar on Data Assimilation Systems and Observing System Experiments with Particular Emphasis on FGGE, 3-7 September 1984}, volume = {II}, pages = {7-70}, month = {1984}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }