In pictures: Unusual ‘rainbow’ cloud sighted above north east Scotland

The reaction creates a rainbow-like effect
The reaction creates a rainbow-like effect
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THESE photographs show an unusual ‘rainbow’ cloud in the skies above north east Scotland last night.

This phenomenon is known as a ‘nacreous’ cloud formation, and comes about as the result of a chemical reaction 50 miles above the surface of the earth.

The nacreous cloud is clearly visible over north east Scotland

The nacreous cloud is clearly visible over north east Scotland

Although a rare and spectacular occurrence, meterologists believe the formation could be seen more frequently as a result of climate change.

Dave Clark from the Aberdeen Met office said: “It is unusual to be able to see these nacreous clouds as they are formed in the troposphere, high above our weather.

“They are a consequence of us releasing too much methane into the atmosphere and this reacts with the ozone to form chlorine clouds which is what we see.”