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The Technical Reports are intended mainly for internal use within the COSMO group (COSMO = Consortium for Small Scale Modeling), but also to inform other groups on model changes and research activities. The purpose of the Technical Reports is 1. to document scientific research activities, 2. to document technical changes to the model system, 3. to give an overview on new components of the model system.

Part V documents the interpolation programme INT2LM, which interpolates data from a driving model to the COSMO grid used.

Part VI describes the I/O data of the COSMO model.

Part VII finally is the "User Guide" of the COSMO-Model. Part VI is available only since model version 5.05. Before it was contained in Part VII.

The Technical Reports are intended mainly for internal use within the COSMO group (COSMO = Consortium for Small Scale Modeling), but also to inform other groups on model changes and research activities. The purpose of the Technical Reports is 1. to document scientific research activities, 2. to document technical changes to the model system, 3. to give an overview on new components of the model system.

For operational applications, COSMO is nested in the global models GME (until January 2015) and ICON (starting January 2015) of DWD. Initial and boundary conditions are provided by the pre-processing program INT2LM for analyses and forecasts of GME, ICON or the ECMWF global model IFS. A detailed description of how to work with GME, ICON or IFS data is provided.

The user guide of COSMO provides information on code access as well as hardware and software requirements for executing the code. Short tutorials on how to install and run the model are included. The user guide contains a detailed description of all control parameters in the NAMELIST input file. These control parameters allow a flexible set-up of model runs for various applications.