Thursday, January 27

Large Saharan Dust Cloud Moving Across Atlantic And To Southern United States

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There is a massive Saharan dust cloud moving across the Atlantic Ocean, and it will reach the southern United States, possibly to North Texas, by the end of the week.
Strong thunderstorms and convective systems over Africa, sometimes create massive dust storms. If the pressure patterns and winds are favorable, these massive dust storms can reach the Atlantic Ocean.




Photos by Weather Channel

Such strong dust storms are more commonly known as SAL (Saharan Air Layer). The Saharan Air Layer is a mass of very dry, dusty air that forms over the Sahara Desert during the late spring, summer, and early fall. It moves over the tropical North Atlantic every three to five days, with some events reaching very high volumes of dust.

Current analysis reveals a strong Saharan dust event ongoing across the Atlantic Ocean. The GOES-16 satellite imagery shows a large dust cloud currently moving across the tropical Atlantic.

The Saharan dust plume is forecast to continue plowing westward through the Caribbean Sea, then reach parts of the Gulf Coast and Deep South later this week into the weekend. You can see this in the forecast below from NASA’s GEOS-5 model.

Dust plumes like these typically become less concentrated the farther to the west they move.

The dust particles can contribute to hazy skies and spectacular sunrises and sunsets in the Caribbean Islands, South Florida, the Florida Keys and the U.S. Gulf Coast.

Source:  Weather Channel


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