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Dust Warning – Weather Bulletin For The State Of Grenada

Lower to middle level dry air and suspended aerosols
Saharan Air Layer

Saharan Air Layer

The Saharan Air Layer (SAL) is an extremely hot, dry and sometimes dust-laden layer of the atmosphere that often overlies the cooler, more-humid surface air of the Atlantic Ocean.

Source: http://trackthetropics.com/saharan-air-layer-saltracking/

Dust plumes propagate westward over the tropical Atlantic Ocean with the Low Level Jet Stream. This creates both speed shear and drying over the Atlantic Ocean and Caribbean.

 

WARNING

 

Date: Friday, March 22nd, 2019

Warning: A dense plume of dust is predicted to affect the Eastern Caribbean over the weekend. People with respiratory problems and allergies are advised to take necessary precautions.

Impact: Possible respiratory problems and reduced

visibility

This is based on satellite imagery and model guidance.

 

Satellite Image showing approaching dust plume

Satellite Image showing approaching dust plume

Dust Prediction For Friday

Dust Prediction For Friday

Dust Prediction For Sunday 

Dust Prediction For Sunday

 

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