Rainbow clouds light up skies over West Midlands
- Published
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.
大象传媒 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 大象传媒 Weather Watchers, take a look at the website.
Follow 大象传媒 West Midlands on , and . Send your story ideas to: newsonline.westmidlands@bbc.co.uk, external