A 'Godzilla' dust cloud from Sahara Desert is nearing US Gulf Coast
The long-awaited cloud of Saharan dust is poised to "hit" the U.S. Gulf Coast on Thursday and Friday, forecasters say, promising hazy skies and fiery red sunsets but also potential health problems.
Nicknamed "Godzilla" for its unusually large size, the plume of dust began to emerge off western Africa last weekend and now has traveled over 4,000 miles from the Atlantic Ocean to the Caribbean Sea and Gulf of Mexico, the Weather Channel said.
The mass of extremely dry and dusty air known as the Saharan Air Layer forms over the Sahara Desert and moves across the North Atlantic every three to five days from late spring to early fall, peaking in late June to mid-August, according to the National Oceanic and Atmospheric Administration.
It can occupy a roughly 2-mile thick layer in the atmosphere, the agency said.
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