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An unusually high number of the storms has left a film of dust on the Rocky Mountain snowpack, causing it to melt earlier and forcing farmers to adjust. This could be the new normal, scientists say.
Reporting from Denver — A series of unusual spring dust storms has left the snowcapped mountains of western Colorado stained brown and red, even a bit pink. The dust is speeding up the runoff to rivers that supply millions of people with water and raising fears of an increasingly arid West.