Outdoor background - shading part 4 (cloud)

One important part of the world environment is the cloud. I found a perfect tutorial which teach how to make anime style cloud in blender.

I learnt from the tutorial and made my own customization to the clouds which make it merge better into my scene.

Two layers of cloud dome:

Node tree of cloud shader:

(A shader that combined multiple layers of noise texture with different mix mode)

Animated cloud demo video: