The WWRP JSC meeting from July 17-19, 2013, focused on various activities, including existing and new RDPs/FDPs, workshops, and international collaborations for mesoscale meteorological modeling and nowcasting, particularly in relation to the upcoming Sochi 2014 winter games and the Pyeongchang 2018 winter games. The discussions highlighted the importance of observational networks, data assimilation challenges, and the need for improvements in communication between forecasting centers. Future projects such as TOMACS aim to enhance weather resilience in urban areas through comprehensive international cooperation and research initiatives.