What you’re seeing is a towering cumulonimbus thundercloud at sunset, transformed by light and ice into something surreal. As the storm grows vertically, its icy upper layers spread outward into an anvil shape. When low-angle sunlight passes through those tiny ice crystals and water droplets, it scatters into vivid colors — a phenomenon known as cloud iridescence. The intense pinks, blues, and yellows don’t come from the cloud itself, but from diffraction and interference of sunlight, amplified