Why some storms brew up to extreme dimensions in the middle of America – and why it’s happening more often

Photo: Flooding in downtown Waterloo, IA – June 11, 2008. Photo credit: Don Becker, USGS via Flickr. Public Domain. Article by Shuang-Ye Wu. The Conversation – April 8, 2025.

A powerful storm system that stalled over states from Texas to Ohio for several days in early April 2025 wreaked havoc across the region, with deadly tornadoes, mudslides and flooding as rivers rose. More than a foot of rain fell in several areas. As a climate scientist who studies the water cycle, I often get questions about how extreme storms like these form and what climate change has to do with it. There’s a recipe for extreme storms, with two key ingredients. […]

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