‘Abnormally Large’ Plume of Saharan Dust to Reach South U.S. this Week

June 23, 2020

A massive dust cloud from the Sahara continues its westward progression and has moved over the Lesser Antilles, the eastern Caribbean Sea, and Puerto Rico as of June 21, 2020. The dust plume, which is described by scientists as an abnormally large cloud, is forecast to reach parts of the Gulf Coast and Deep South later this week.

The Saharan Air Layer dust outbreak started to emerge off western Africa last week and has now trekked over 4 800 km (3 000 miles) across the Atlantic Ocean to the eastern Caribbean Sea.

Each year, the Saharan dust tracks as far west as the Caribbean Sea, Flordia, and the Gulf of Mexico, which is an 8 000 km (5 000 miles) long journey.

The dust has now moved over the Caribbean, with surface reports at Port of Spain in Trinidad and Tobago indicating a drop in visibility below 0.8 km (0.5 miles) for several hours.

At San Juan in Puerto Rico, the surface visibility dropped to 11 km (7 miles).

“According to scientists that I have gotten some information from, they’re saying this is an abnormally large dust cloud,” AccuWeather senior meteorologist and lead hurricane expert Dann Kottlowski said.

“One of the things I noticed from this is the dust started coming off the coast of Africa several days ago, in fact maybe over a week ago. And it’s still coming. It’s almost like a prolonged area of dust.

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