Rainbows appeared across the Anza Valley Monday, August 25, following seasonal monsoonal thunderstorms. The light show delighted residents who captured the colorful displays in photographs.Rainbows form when sunlight interacts with water droplets in the air, bending as it enters the droplet, reflecting off the inside surface, and bending again as it exits. This process splits sunlight into its spectrum of colors, creating the familiar arc.In the Southern California mountains, rainbows are often especially vivid. Higher elevations provide clear sightlines and a better angle to view the full arc. Mountain air is usually cleaner than air at lower elevations, allowing sunlight to shine through more brightly. Scattered showers, combined with low sun angles in the morning or late afterno
