Southwestern dust found in snow across Colorado

DENVER — Dust blown in from the Southwest settled on snow through much of Colorado during this week’s spring storm and could affect how fast snowmelt begins.

NOAA (NOAH) researcher Jeffrey Deems says the dust landed in Steamboat Springs, Fort Collins, Summit County, Vail, Aspen and the San Juan mountains. The dust was also seen in the Denver area.
If the dirty snow at higher elevations isn’t covered up by enough cleaner snow, Deems says snowmelt will begin sooner. He says snow with a layer of dust on top will absorb up to twice as much sun light as clean snow.

Another 6 inches of more snow is expected in the north and central mountains starting Friday night.



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