Vibrant nacreous cloud patterns to persist as cold weather hits UK

Nacreous formations, often compared to the northern lights, have been appearing over parts of Scotland and EnglandDazzling cloud formations that have been appearing over parts of the UK are expected to continue this week as cold weather sets in.The cloud patterns, called nacreous formations, are often compared to the northern lights because of their vibrant, illuminated quality. Photographers captured striking images of the clouds as they appeared in British skies, over parts of Scotland and Eng