I had been working on some animations for a weather app project, these are the initial renders. Sunny day - Thunderstorm - Snowfall - Clear Rainbow sky.

To achieve a photorealistic effect of a floating cloud, I developed a volumetric shader and utilized a noise-based keying technique to generate a wobbling cloud texture. The lightning bolts in the thunderstorm animation were created using a similar approach, using a mosaic noise shader that was masked with additional mapped noise and math operations.

To enhance the realism of lightning, I blended those mapped noise textures in shades of blue and white.

For the rain and snow simulations, I employed a particle system, a commonly used technique in computer graphics.

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