Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos


Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

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Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos
Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

17th Saharan dust haze moves across parts of Caribbean

2022 PREPARATORY-WORKSHOPS OF THE NEW STUDY FINANCING RECIPIENTS LATEST

Saharan dust haze moves across parts of Caribbean

The Saharan dust is not letting up in the Caribbean region.

Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

The Antigua and Barbuda Meteorological Service in its latest forecast says air quality is down to moderate levels for Antigua and Barbuda until Tuesday.

The Met Office’s synopsis states air quality is down to moderate levels as a result of particulate matters 2.5 and 10, associated with a fresh surge in the Saharan Dust.

The threat of health problems is elevated for mainly unusually sensitive people, such as asthmatics, and could potentially cause them limited health impacts.

Saharan-Dust

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Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos
Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

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Over in St Vincent and the Grenadines, the meteorological office in its 72-hour outlook issued today says a thin layer of Saharan haze will continue to be across the region.

Saharan-Dust

Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

Saharan dust haze moves across parts of Caribbean

The Saharan dust is not letting up in the Caribbean region.

The Antigua and Barbuda Meteorological Service in its latest forecast says air quality is down to moderate levels for Antigua and Barbuda until Tuesday.

The Met Office’s synopsis states air quality is down to moderate levels as a result of particulate matters 2.5 and 10, associated with a fresh surge in the Saharan Dust.

The threat of health problems is elevated for mainly unusually sensitive people, such as asthmatics, and could potentially cause them limited health impacts.

Over in St Vincent and the Grenadines, the meteorological office in its 72-hour outlook issued today says a thin layer of Saharan haze will continue to be across the region.

Dominica’s Meteorological Service states in its latest forecast that a dust haze in varying concentrations will continue to be evident over the area throughout the weekend. It advises that people with respiratory sensitivities should take precautions to avoid complications.

Meanwhile, in St Maarten, the Meteorological Department in its latest forecast notes Saharan dust moving across the region will affect air quality and limit shower activity.

Persons with allergies or respiratory illnesses should be vigilant and take the necessary precautions.
SOURCE: LoopCaribbean

Dominica’s Meteorological Service states in its latest forecast that a dust haze in varying concentrations will continue to be evident over the area throughout the weekend. It advises that people with respiratory sensitivities should take precautions to avoid complications.

Meanwhile, in St Maarten, the Meteorological Department in its latest forecast notes Saharan dust moving across the region will affect air quality and limit shower activity.

Persons with allergies or respiratory illnesses should be vigilant and take the necessary precautions.


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SOURCE: LoopCaribbean

Saharan-Dust

Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

On June 1, 2022, strong winds blew a thick layer of dust from the Sahara Desert, pushing it westward over the Atlantic Ocean. The dense dust plume continued to grow in size and length, and by June 6, the leading edge of the massive river of dust reached South America. The dust plume stretched more than 3,500 miles (5,630 km) and covered more than 2.2 million square miles (5.7 million square km).

On June 7, 2022, the Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Aqua satellite acquired a true-color image of Saharan Dust over the Caribbean and South America.

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Dust hovers over northern Venezuela as well as many of the Caribbean Islands, including Aruba and Curacao near the coast of South America and Puerto Rico and the Dominican Republic, seen in the north of the image. The Saharan dust is expected to reach the Gulf of Mexico over the next few days and is expected to color skies over Texas and possibly other southern U.S. states by June 12.

The Sahara Desert is by far Earth’s largest source of airborne dust, and the storms can arise at any time of year. In winter and spring storms, Saharan dust often ends up fertilizing the nutrient-poor soils of the Amazon rainforest.

Saharan-Dust

Saharan-Dust

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What you need to know

— Saharan Dust Surges: Little to no Saharan Dust concentrations are forecast through Saturday, July 9th, 2022. Two significant dust surges are forecast to arrive by late July 10th into the 11th, and by late July 14th into July 15th.


— Impacts: Air quality levels across Trinidad and Tobago will vary between good and moderate through the forecast period, dipping to unhealthy levels for sensitive groups week.

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— What Should You Do: Sensitive groups will have brief periods during the upcoming forecast period where good air quality is anticipated. However, they should take the necessary precautions during dust surges. The general population will remain unaffected.

Current AQI Levels Across T&T

Saharan-Dust

The  air quality monitoring stations at San Fernando, Port of Spain, Point Lisas, and Signal Hill have all recorded good to moderate air quality levels over the last 24 hours.

These measurements are based on PM2.5 (particulates the size of 2.5 micrometers and smaller, usually associated with increases in Saharan Dust, vehicle exhaust, and smoke) and PM10 particulates.

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Ongoing Surge: Through Friday, July 8th, 2022
A moderate dust surge arrived across Trinidad and Tobago on Wednesday, July 6th, 2022. Air quality levels have fluctuated between good to moderate, with the visibility near ten kilometers outside of shower or thunderstorm activity over the last several days.

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On Friday, July 8th, 2022, Saharan Dust will still be present, particularly across northern Trinidad and Tobago, but higher dust levels are forecast to remain north of the country. Through the weekend, Tropical Waves 16 and 17 are forecast to traverse the region, gradually diminishing dust levels until the start of the upcoming week.

Saharan-Dust

Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

Surge #1: Monday, July 11th, 2022
Following Tropical Waves 16 and 17 over the upcoming weekend, a significant surge of Saharan Dust is forecast to begin moving across the Lesser Antilles, with higher concentrations affecting countries north of Trinidad and Tobago. Peak dust concentrations are forecast between Monday, July 11th, and Tuesday, July 12th, with gradually diminishing dust levels.

Air quality levels will vary from good to unhealthy for sensitive groups, with the visibility dropping to six kilometers outside of shower or thunderstorm activity.

Surge #2: Thursday, July 14th, 2022
While this tropical wave is yet to be analyzed or even move off the African Coast, forecast models indicate another tropical wave moving across the Lesser Antilles on Wednesday, July 13th. The wave’s passage will reduce – but not remove – Saharan Dust from our area.

Saharan-Dust

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Instead, another high-concentration surge of dust is set to follow on Thursday, July 14th, 2022, and linger through the middle of July. Higher dust levels are forecast to remain north of the country

Air quality levels will vary from good to moderate, with the visibility dropping to six kilometers outside of shower or thunderstorm activity.

What does this mean for you?
Moderate Air Quality Index
Moderate Air Quality Index
The air quality will be degraded through the forecast period.

During high traffic periods, particularly between 6:00 AM and 9:00 AM, and again from 3:00 PM through 6:30 PM, air quality may be further reduced in localized areas.

According to the Trinidad and Tobago Meteorological Service, “the 2022 Saharan Dust Haze Season is likely to peak from June to August with the number of Saharan dust haze days expected to increase significantly. The duration of the plumes of Saharan dust haze visiting both islands is also likely to be more prolonged than earlier in the year, with increased odds for higher dust haze concentration during plumes visitation.”

Saharan-Dust

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Instead, another high-concentration surge of dust is set to follow on Thursday, July 14th, 2022, and linger through the middle of July. Higher dust levels are forecast to remain north of the country

Air quality levels will vary from good to moderate, with the visibility dropping to six kilometers outside of shower or thunderstorm activity.

What does this mean for you?
Moderate Air Quality Index
Moderate Air Quality Index
The air quality will be degraded through the forecast period.

During high traffic periods, particularly between 6:00 AM and 9:00 AM, and again from 3:00 PM through 6:30 PM, air quality may be further reduced in localized areas.

According to the Trinidad and Tobago Meteorological Service, “the 2022 Saharan Dust Haze Season is likely to peak from June to August with the number of Saharan dust haze days expected to increase significantly. The duration of the plumes of Saharan dust haze visiting both islands is also likely to be more prolonged than earlier in the year, with increased odds for higher dust haze concentration during plumes visitation.”

Saharan-Dust

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We’re in a period where the Intertropical Convergence Zone and Tropical Waves may shield Trinidad and Tobago from the Saharan Dust events. While tropical waves play a notable role in moving dust across the Atlantic and the Eastern Caribbean, these periodic tropical waves also improve air quality.

The concentration of the dust that follows the wave depends on its strength as it moves off the West African Coast. This is because of stronger thunderstorms across Central Africa.

As strong winds move downward and outward from these thunderstorms, the wind kicks up dust as it moves across parts of the Saharan Desert and transports it into the upper atmosphere. This “plume” of dust follows the axis of the wave as it progresses westward into the Atlantic.

Dust that makes it into the upper levels of the atmosphere can then get transported across the Atlantic Ocean. The plumes of dust eventually affect the Eastern Caribbean.

Larger, more concentrated plumes of Saharan dust begin in April and continue through November.

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Saharan-Dust

Saharan-Dust parts Of The Caribbean Latest 10 Amazing Photos

Saharan-Dust

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