Hurricane-force wind gusts in Colorado, dust storms in Kansas, tornadoes in Iowa in December – here's what fueled a day of extreme storms
- Written by William Gallus, Professor of Atmospheric Science, Iowa State University
A satellite view on the night of Dec. 15, 2021, at the same time tornadoes were reported in Iowa.NOAAExtremely powerful winds swept across a large part of the U.S. on Dec. 15, 2021, hitting several states with hurricane-force gusts. Record temperatures helped generate tornadoes in Iowa, winds spread grass fires and dust clouds in Kansas, and wind...

