This is the 4 th of the series of short online courses for the application of Conceptual Models in forecasting, based on satellite enabling skills for operational forecasters. It offers the opportunity of consulting expert tutors and discussion among participants in Region III. It is activity centered and tries to resemble forecaster´s tasks through simulations, The training resource has been developed in the framework of a WMO project ” Workbook for the Application of Conceptual Models”. The Bolivian High Conceptual Model has been developed by the Argentine team in Vlab project “Conceptual Models for the Southern Hemisphere (CM4SH)”- Eumetsat-WMO)