Dark, heavy storm clouds.  Stormy sky.

Dark storm clouds gathering overhead.

A large, dark, ominous cloud formation dominates the sky, suggesting an approaching or ongoing thunderstorm. The heavy, dense clouds indicate the potential for strong winds, heavy rain, and possibly even hail. No specific people or actions are visible in the image, only the natural phenomenon of a developing storm.

Photo ID: OminousSky_160
Photo size: 170.7 Mpixels (488 MB uncompressed) - 16000x10667 pixels (53.3x35.6 in / 135.5x90.3 cm at 300 ppi)