Space-detailed climatic forecasting of air temperature and precipitation in Eastern Siberia on the basis of accounting for local features of the underlying surface

A physical-statistical approach is used for space specification of forecasting fields of air temperature and precipitation in the mid-21st century in Eastern Siberia. The initial data on the monthly mean values representing ensemble-averaged results of 12 general circulation models of the atmosphere and the ocean, with a 2° × 2° latitude-longitude grid are specified on a 12.5 × 12.5 km grid accounting for local features of surface topography and reflectivity. The most pronounced effect of increasing space resolution is found in the areas with complicated relief, especially in summer. This corresponds to physical properties of the processes affecting local features of precipitation and air temperature fields and demonstrates efficiency of the approach under use.