BBC Look East weather presenter Dan Holley said the nacreous clouds were rarely seen in the UK because of the exceptional conditions needed. They generally form higher than 20km (12 miles ...

The phenomenon had previously been seen across other parts of the UK on Tuesday. Nacreous cloud is mostly seen a couple of hours either side of sunset or sunrise. Occasionally, cold polar air ...

Large parts of the UK have seen some very rare clouds that ... They are actually a rare cloud called nacreous clouds or polar stratospheric clouds, they are also known as mother of pearl due ...

These rare rainbow clouds, more scientifically known as nacreous clouds, only appear in extremely cold weather conditions. The streaks of light are created by tiny crystals of ice within the ...