The ACCuReSy project (Advanced Research on Convective Clouds using Remote Sensing Instruments from new Exploratory Platforms) aims to perform advanced research of the atmospheric environment before, during and after the convective events in order to investigate the aerosol-cloud interactions with special attention on the factors that contribute to the hail formation. The novelty of this proposal resides in the top-class ground-based infrastructures that will be used to accomplish the goals of the project. Two research team will be involved in this project: Remote Sensing Department of INOE and Aviation Department of “Henri Coanda” Air Force Academy, both relying on state-of-the-art facilities with radar systems operating on various frequencies, meteorological sensors and sondes, and UAVs. The project will be implemented in two locations, Măgurele and Brașov, chosen by their relevance for the environmental factors that meet the conditions for various type of convective development. Intensive campaigns will be performed during the convective seasons of 2022 and 2023 in order to build a consistent convective database to be analysed later. During the implementation of the project intervention squads will be organized to proceed for a rapid displacement into the areas where the convective development are ongoing for on-site documentation, launching the probes in the unstable environment, and if possible to collect samples (i.e. hail stones). Physico-chemical analyses will be performed on hydrometeor samples investigate the content of suspended particles in the convective environment. Overall, with this project we aim to produce new insight to the way aerosols affect convective storm and to open ways for implementation these details for a better prediction of convective storms and also to improve the cal/val techniques for the EO satellite missions dedicated to cloud observations.