Here are 14 different cloud formations that you may have never seen before, each of them is equally impressive and mesmerising as the next.
Roll Cloud
Fallstreak
Cirrus Kelvin-Helmholtz
Undulatus Asperatus
Anvil Cloud
Mammatus
Polar Stratospheric
Lenticular Clouds
Noctilucent (night)
Cloud iridescence
Shelf Clouds
Wave windows
Actinoform clouds