I was on holiday in Tunisia and we visited the Sahara on a two day trip deep into the beautiful desert. The beam of the sun and the colours of the sand and atmosphere was magical.

The layer of dry air is formed by dust plumes blowing from the Sahara Desert across the Atlantic Ocean, where dust clouds can affect weather patterns far away, according to the National Oceanic ...

It’s actually dust — from Africa’s Sahara Desert. A cloud of dust could be seen on NOAA satellites moving across parts of north and central Alabama on Thursday afternoon (shown above).