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Huge Plumes Of Saharan Dust Moving Through Caribbean
Jun 22, 2020

Source: https://www.weathernationtv.com/news/huge-plumes-of-saharan-dust-moving-through-caribbean/

It takes around min to read this article.

Huge Plumes Of Saharan Dust Moving Through Caribbean

22 Jun 2020, 11:14 am

A huge plume of Saharan dust is making its presence strongly felt across the Caribbean, with limited visibility and poor air quality stretching from Puerto Rico to the Lesser Antilles.

Here’s a look at some of the dusty scenes from the Caribbean, which have become more common over the last few days. The top two embedded posts are from Puerto Rico, while the bottom two are from Barbados:

This is caused by the eastward-moving plume of Saharan dust, which is most common during the months of May, June and July. Each year, the Saharan Air Layer (SAL) moves off the west coast of Africa following east-to-west trade winds, Meteorologist Rob Bradley recently went into more details about this phenomenon here.

While responsible for creating the smoky haze across the mid and high levels of the atmosphere, the SAL is also helpful in suppressing tropical development. Dry air mixes into the middle and higher levels of the atmosphere, preventing or substantially reducing the ability for tropical storms and/or hurricanes to develop.

Meanwhile, the Puerto Rican government is urging its citizens to avoid spending prolonged periods of time outdoors, and especially those with asthma or other respiratory issues.

Over the next few days, the dust is expected to gradually work its way further north and west. By Wednesday, the bulk of the dust will be over Hispaniola (the island encompassing Haiti and the Dominican Republic), Jamaica, Cuba and the Cayman Islands.

By Friday, though, the main plume of dust will move into the western Gulf of Mexico, bringing places like eastern Mexico and the U.S. Gulf Coast (specifically Texas and Louisiana) smoky scenes like those currently across the Caribbean.

Stay with WeatherNation for the latest on the progression of this layer of Saharan dust and its impacts on the Caribbean and the United States.

About the author
Chris Bianchi
Chris doesn't remember a time when that he didn't love the weather. When he was five years old, he wrote his first words, "Partly cloudy", in Ms. Benn's kindergarten class. According to Chris, it's been a love affair ever since, from teaching himself how to read forecast models at age 12, to landing at WeatherNation. Growing up in Greenwich, Connecticut, he started to go after his lifelong drea... Load Morem of becoming a meteorologist by predicting whether or not there would be snow days - turning him into Greenwich High School's "defacto weatherman". He turned that snow day-predicting website into a front page story a local newspaper, which in turn earned him a look at WABC-TV in New York, where Chris did the weather live on-air at the age of 16. He attended Boston University, where he continued being a "weather nerd", performing weather updates on the campus radio and TV stations, and doing the daily forecasts for the student newspaper. Following his studies at BU, Chris worked at Mile High Sports and ESPN Denver for four years while pursuing his certification in Broadcast Meteorology from Mississippi State University. Chris is a huge sports fan, rooting for the Rockies, Nuggets, Broncos, Avalanche and UConn. He frequently find links between sports and weather, including an investigative analysis he did in 2013, finding trends between Peyton Manning's play and game time temperature (he doesn't like the cold). Chris also enjoys running, playing any sport, socializing and periodically overeating at all-you-can-eat buffets.

Original Text (This is the original text for your reference.)

Huge Plumes Of Saharan Dust Moving Through Caribbean

22 Jun 2020, 11:14 am

A huge plume of Saharan dust is making its presence strongly felt across the Caribbean, with limited visibility and poor air quality stretching from Puerto Rico to the Lesser Antilles.

Here’s a look at some of the dusty scenes from the Caribbean, which have become more common over the last few days. The top two embedded posts are from Puerto Rico, while the bottom two are from Barbados:

This is caused by the eastward-moving plume of Saharan dust, which is most common during the months of May, June and July. Each year, the Saharan Air Layer (SAL) moves off the west coast of Africa following east-to-west trade winds, Meteorologist Rob Bradley recently went into more details about this phenomenon here.

While responsible for creating the smoky haze across the mid and high levels of the atmosphere, the SAL is also helpful in suppressing tropical development. Dry air mixes into the middle and higher levels of the atmosphere, preventing or substantially reducing the ability for tropical storms and/or hurricanes to develop.

Meanwhile, the Puerto Rican government is urging its citizens to avoid spending prolonged periods of time outdoors, and especially those with asthma or other respiratory issues.

Over the next few days, the dust is expected to gradually work its way further north and west. By Wednesday, the bulk of the dust will be over Hispaniola (the island encompassing Haiti and the Dominican Republic), Jamaica, Cuba and the Cayman Islands.

By Friday, though, the main plume of dust will move into the western Gulf of Mexico, bringing places like eastern Mexico and the U.S. Gulf Coast (specifically Texas and Louisiana) smoky scenes like those currently across the Caribbean.

Stay with WeatherNation for the latest on the progression of this layer of Saharan dust and its impacts on the Caribbean and the United States.

About the author
Chris Bianchi
Chris doesn't remember a time when that he didn't love the weather. When he was five years old, he wrote his first words, "Partly cloudy", in Ms. Benn's kindergarten class. According to Chris, it's been a love affair ever since, from teaching himself how to read forecast models at age 12, to landing at WeatherNation. Growing up in Greenwich, Connecticut, he started to go after his lifelong drea... Load Morem of becoming a meteorologist by predicting whether or not there would be snow days - turning him into Greenwich High School's "defacto weatherman". He turned that snow day-predicting website into a front page story a local newspaper, which in turn earned him a look at WABC-TV in New York, where Chris did the weather live on-air at the age of 16. He attended Boston University, where he continued being a "weather nerd", performing weather updates on the campus radio and TV stations, and doing the daily forecasts for the student newspaper. Following his studies at BU, Chris worked at Mile High Sports and ESPN Denver for four years while pursuing his certification in Broadcast Meteorology from Mississippi State University. Chris is a huge sports fan, rooting for the Rockies, Nuggets, Broncos, Avalanche and UConn. He frequently find links between sports and weather, including an investigative analysis he did in 2013, finding trends between Peyton Manning's play and game time temperature (he doesn't like the cold). Chris also enjoys running, playing any sport, socializing and periodically overeating at all-you-can-eat buffets.
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