The Saharan Air Layer is the dust that forms over the Sahara in the summer and it reduces visibility in regions and negatively impacts air quality.
The state of Texas is bracing for a Saharan dust outbreak, as large plumes travel northward from the African desert and move over the Atlantic.The Saharan Air Layer is the dust that forms over the Sahara during the summer. It comprises sand and mineral particles swept up from 3.5 million square miles of the African desert. Saharan dust reduces visibility in regions and negatively impacts air quality, creating poor conditions.
These plumes are common in the Atlantic around late June and early July, according to the National Oceanic and Atmospheric Administration.Saharan dust clouds can impact locations thousands of miles away from their origins in Africa. The dust outbreaks tend to occupy a 2 to 2.5-mile-thick layer of the atmosphere with the base starting about 1 mile above the surface.
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