Аннотация:A long-range forecast system based on the improved version of the SLAV072L96 globalatmosphere model has been verified at the Hydrometcenter of Russia. The model has the horizontalresolution of 0.9° ´ 0.72° in longitude and latitude and 96 vertical levels and includes modernparametrizations for the subgrid-scale processes in the atmosphere and active soil layer. Main featuresand particularities of this model version are presented along with a brief description of ensemblelong-range meteorological forecast technology using this model. Some verification scores forlong-range forecasts based on the archive data from ERA5 reanalysis for 1991–2015 and on the datafor 2023 are presented.