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

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.

source https://phys.org/news/2025-04-storms-brew-extreme-dimensions-middle.html