This session focuses on advances in the science of weather modification and related limited-area climate interventions for precipitation enhancement, with emphasis on modeling, observations, process studies, and field experiments. We invite contributions addressing cloud seeding for rainfall enhancement, snowfall augmentation, hail suppression, fog dissipation, and other targeted atmospheric interventions, as well as regional-scale approaches that influence local hydroclimate through land–atmosphere feedbacks, landform modification, surface property changes, or boundary-layer processes.

Topics may include cloud microphysics, aerosol–cloud interactions, cloud susceptibility, numerical modeling across scales, radar and satellite observations, laboratory studies of seeding materials, field campaign design, verification and attribution methods, autonomous platforms, and the physical basis for regional hydroclimate modification. The session aims to bring together researchers working on operational weather modification, emerging intervention concepts, and observational and modeling tools needed to rigorously evaluate efficacy, impacts, and limitations.

• AE - Atmospheric and Space Electricity
• B - Biogeosciences
• EP - Earth and Planetary Surface Processes
• H - Hydrology