The "Green Flash" is a rare optical phenomenon that occurs at sunset and sunrise when specific atmospheric conditions are met. As the sun dips below the horizon, its light is refracted or bent by the Earth's atmosphere. This bending of light is caused by a process called atmospheric refraction. When the sun is low on the horizon, the Earth's atmosphere acts like a prism, separating sunlight into different colors through a process called dispersion. Normally, the blue and violet colors are scatte

10 flash flood survival tips from an expert

How to Survive a Flood