Cloud of Dust off the Coast of Africa (image) University of Miami Caption A NASA MODIS satellite image on Sept. 14, 2013, shows a cloud of dust carried by strong winds from sources in the Western Sahara. The Trade Winds transport the dust westward to the United States, the Caribbean and South America. Credit NASA Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.