Lenticular clouds, like the ones shown in these photos taken in Elkins on Sunday, April 14, are formed when fast-moving air is forced over a hill or mountain. Although the air in the clouds is ...
These are nimbostratus. There are a number of other unique and beautiful cloud types that can form as air rises over mountain ...
A large lenticular cloud over the peak of Mt Rainier, Washington State, at dusk. (Getty Images/karen crewe) If you have seen a cloud that looks like a UFO, it might have been a mesmerizing ...
In recognition of the high standard of entries, 25 extra images were selected by the Natural History Museum and put to the public vote. A double lenticular cloud is illuminated at nightfall by the ...