Dark Ominous Storm Clouds Rolling Across the Sky

This animated visual effect showcases a vast expanse of dark, ominous storm clouds slowly rolling across the sky. The heavy, grey formations shift and build, creating a palpable sense of drama and an intense atmosphere. Bright highlights occasionally break through the darker cloud masses, suggesting distant light. This powerful natural phenomenon visually conveys tension, suspense, and the raw, unpredictable force of nature. It serves as an impactful background element or a mood-setting visual for film sequences, environmental documentaries, weather forecasts, or any project requiring a dramatic sky overlay.