Rarely, the green flash can resemble a green ray shooting up from the sunset or sunrise point. Green flashes occur because the Earth's atmosphere can cause the light from the Sun to separate, via …

May 29, 2025 · The green flash is a rare optical phenomenon above the horizon directly at sunrise or sunset. The color is caused by green light from the sun that survives atmospheric refraction so that it...

May 6, 2024 · In this case, a green flash at sunset means the west-facing observer is looking at a clear horizon where tomorrow’s weather will come from (due to the direction of the jet stream), thus the …

Dec 18, 2025 · The green flash is an optical phenomenon that you can see shortly after sunset or before sunrise. It happens when the sun is almost entirely below the horizon, with the upper edge still visible.

Apr 25, 2024 · Witness the rare green flash phenomenon during sunset. Learn what causes it, ideal viewing conditions, and where to catch this fleeting spectacle.

Jun 4, 2023 · Learn about the green flash of the Sun, including how it works, how to see it, and its different appearances.

May 28, 2025 · The green flash is a rare, brief optical event of green, yellow, and sometimes blue that colors the horizon, occurring at sunrise or sunset most often in the western U.S.

May 19, 2024 · So what causes the green flash? Like many colorful spectacles in the sky, such as rainbows, the green flash is the result of sunlight being separated into different colors.

The green flash occurs due to atmospheric refraction, a process where light bends as it passes through layers of varying air density in the atmosphere. During sunset, the sun's light is refracted, or bent, …

2 days ago · (FOX 5/KUSI) — When going for a sunset stroll along one of the many beaches in San Diego County, there may be a chance to see a phenomenon simply referred to as a “green flash.” …