What is a fogbow? Rare fogbows forecast for uk this weekend


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The process of diffraction broadens the reflected beam of light which smears out the colours to give the characteristic ghostly white or very faintly coloured fogbow. This also makes the


fogbow much broader than a rainbow. The fogbow, also known as a white rainbow or ghost of a rainbow, is seen much more rarely than the common rainbow. The Met Office said: "Fogbows are


often seen alongside another optical phenomenon, also caused by diffraction, called a 'glory'. "A glory is a sequence of multiple, pale-coloured rings at the bow's


centre."