Saharan Air Layer dust reaches the Lesser Antilles, Puerto Rico and the Gulf of Mexico
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2020/06/sal_swd-20200621_230022.png)
The major Saharan Air Layer dust outbreak (previously discussed here and here) continued its westward progression — and on 21 June 2020, GOES-16 (GOES-East) Split Window Difference (10.3 µm – 12.3 µm) and Dust RGB images (above) showed signatures of the dust (shades of tan to light brown in Split Window Difference, and shades of... Read More