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Saharan Dust Turns Spain's Ski Slopes a Dirty White
The Visible Infrared Imaging Radiometer Suite (VIIRS) aboard the Suomi NPP satellite captured this true-color image of the dust cloud entering Spain and Portugal on Feb. 21 and 22, 2017. (NASA/NOAA/DoD Suomi NPP/VIIRS) At a Glance Dust from the Sahara Desert was swept up into a low-pressure system over north Africa on Monday before making its way toward Europe.In Spain's Sierra Nevada, snow falling on ski slopes had a brownish color. Two weeks ago, alarge amount of Saharan dust swept...