Climate change unfolds into effects on different physical processes and environmental conditions, generating cascading effects that result in severe hydrometeorological events with significant impact on society and ecosystems. Among these severe events, dry hazards, including droughts, heatwaves, and fires, have caused devastating disasters across multiple regions in recent years, notably in the Amazon, the west coast of the United States, Mediterranean regions, and Australia.

When these events are compounded, overlapping each other in time and spatial coverage, or following one another, their aggregate impact is amplified due to synergies among environmental processes and variables. This amplification effect represents a critical knowledge gap, as the emerging field of compound dry hazard research is still taking its first steps, and a comprehensive research effort is needed to investigate in detail the physical processes and societal drivers behind such events as well as how these events emerge, interact, and impact the physical system, ecosystems, and human population.

Therefore, in this session, we invite contributions from researchers tackling compound dry hazards, encompassing droughts-heatwaves-fires or their pairwise combinations. We seek studies that describe the physical processes involved, their preconditions and enabling factors, emergent properties, or synergistic effects. Additionally, we welcome research addressing prediction, monitoring, and rapid response methodologies. Contributions can be related to case studies, time series analysis, experiments, spatial analyses, and modelling. The geographical scope is broad and inclusive: encompassing local case studies through regional and global-scale assessments.