Editorial: Extreme precipitation in arid regions: observation, mechanisms, and simulations.

This article discusses extreme precipitation events (EPEs) in arid regions, which are ecologically fragile and highly sensitive to climate change. Despite their aridity, EPEs are observed in these regions, and their increasing frequency due to global warming poses challenges for ecosystems and sustainable development. The article highlights the need for research on the characteristics and changing trends of EPEs, the sources of water vapor, the physical mechanisms driving EPEs, and the relationship between EPEs in arid regions and ocean/land signals. It also mentions the challenges in simulating EPEs in arid regions and the importance of improving simulations and understanding EPEs. The article provides a summary of eight original research papers included in the Research Topic, which cover changes in EPEs, physical processes and mechanisms, and simulations and parameterizations of extreme precipitation. The article concludes by emphasizing the need for further research to deepen our understanding of the complex mechanisms behind EPEs in arid regions. [Extracted from the article]