A Met Office video explains seven rare cloud types - including noctilucent clouds as they’re sighted in the UK.

Rare clouds that form in summer high up in the Earth's atmosphere have been seen from parts of Scotland.BBC Weather Watchers ...

Noctilucent clouds form in the mesosphere, a layer of Earth's atmosphere about 22 miles (35 kilometers) thick. According to NASA, summer in the Northern and Southern Hemisphere is when the ...

These noctilucent clouds are rare and often occur during the summer months. ... The ice-blue clouds form 50 miles above the ground in a layer of our atmosphere known as the mesosphere.

Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a rural stretch he calls "The Twisted Pond Road" when the surprise display of ...

Noctilucent clouds form in the mesosphere, the third layer of the atmosphere. The mesosphere ranges from around 30 to 53 miles above the surface of the Earth, according to the National Oceanic and ...

Noctilucent clouds (NLCs), or night-shining clouds, are a type of mesospheric cloud. As the name suggests, mesospheric clouds form in the mesosphere, the third layer of Earth's atmosphere, which ...

Noctilucent clouds literally take it to a different level. These clouds form in the third layer of the atmosphere, known as the mesosphere. This layer is at altitudes between 47-53 miles above ...

Noctilucent clouds form in the mesosphere, or the third layer, at an altitude of about 45 to 55 miles. Since they’re so high up, they catch sunlight long before local sunrise and after sunset ...

These are noctilucent or “night-shining” clouds made up of tiny grains of ice, about the size of a flu virus (100 nanometers). They are formed in the upper reaches of the mesosphere.

Noctilucent clouds, according to the American Meteorological Society, are most commonly seen in the mesosphere (see diagram from NASA above). How can clouds then form in the highest level of Earth ...

A fantastic photograph shows noctilucent clouds over Edinburgh.Sachiko Hamada caught the stunning space phenomenon at 2:10am ...