Rainbow clouds light up skies over West Midlands

Rare rainbow clouds have brightened skies across the West Midlands.

Known as a Nacreous clouds, they form in very cold conditions over the poles and in the stratosphere, up to 19 miles (31km) high, far above normal clouds.

BBC Weather Watches have been sending in their photos of the "phenomenon".

Sometimes called mother-of-pearl, it is formed in air that is about -80C (-112F) which causes tiny ice crystals to reflect the sunlight, giving the cloud pearly colours.

For more information about BBC Weather Watchers, take a look at the website.

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