Tutorial result preview .

in this first part we will create the base shape of our clouds.

in this part we will add "erosion" details to our clouds , to give it more natural look .

in this part we will use a custom flowmap to give the clouds & storm like motion.

in this part we will create a half-sphere geometry for & setup base material for the eye of a storm.

in this part we will expand our base material for the eye of a storm to reuse the storm flowmap and a cloud texture.

in this part we will add more details to our base material for the eye of a storm which includes : Stars texture , interesting noise at the center of the storm and interesting colors combination.

in this part we will edit the base sky material to include some panning clouds and we will make sure to detail our clouds so it matches with the effect of the eye of the storm.