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Reproducible science requires a shift in thinking and application for how data, code and analysis are shared. Now, scientists must act more like software engineers to design models and perform analysis that use principles and techniques pioneered by software developers. Creating reproducible models that are easy to use and understand is in the best interest for the snow and hydrology community, enabling studies by other researchers and facilitating technology transfer to operational applications. Here, we present the Automated Water Supply Model (AWSM) that streamlines and standardizes the workflow of a physically based snow model to create fully reproducible model simulations that can be utilized by researchers and operational water resource managers. AWSM orchestrates four core components that historically required significant, ad-hoc modeler interaction to load the input data, spatially interpolate to …