Meteorology and hydrology act in tandem across the interface of the earth's surface. Such an interface will become increasingly important as our understanding and predictive capabilities improve. For the good of society, the need to meld together the two disciplines is now more vital than ever. Many national meteorological services worldwide have, formally or informally, evolved into national hydro-meteorological services. The session, introduced in 2019, aims to provide an all-embracing hydro-meteorological forum where experts from both disciplines can combine and exploit their expertise to accelerate the integration of these two fields. We invite contributions that consider physical or machine learning-based approaches, and act across a wide range of spatial scales (from 10s of meters up to global) and a wide range of time scales (from ~1 hour up to seasonal and climate change), including, but not limited to, the following topics:

• Land-atmosphere interactions and hydrological processes, including feedback mechanisms.
• Understanding the meteorological processes driving hydrological extremes.
• Tools, techniques, and expertise in forecasting hydro-meteorological extremes (e.g., river flooding, flash floods, droughts etc.).
• Fully integrated numerical earth system modelling.
• Quantification/propagation of uncertainties in hydro-meteorological model forecasts.
• The role of vegetation in hydro-meteorological extremes, in terms of transpiration, photosynthesis, phenology, etc.
• Energy cycles, complementing the hydrological cycles and related cryospheric processes.
• Hydro-meteorological prediction that includes impacts.
• Environmental variable monitoring by remote sensing and other observations.
• Quantification of (past/future) hydrological trends in observations and climate models (and their role in the 2024 "climate-neutral Europe" conference theme).