SCREAM is a global atmosphere model with 3 km resolution. Using 30x finer resolution than most of its competitors yields more accurate predictions of the earth system and provides geographically specific information necessary for weather-impacts planning. Fine resolution is computationally expensive, however, so this model can only be run on leadership-class computing resources. The goal of this project is to provide, for the first time, decadal-scale real-world predictions using SCREAM.