Photo of Cumulus Congestus Cloud

Cumulus Congestus
Cumulus Congestus clouds tower over a rural landscape in Hertfordshire

Cumulus congestus are the stage in between a cumulus mediocris and cumulonimbus cloud.  A cumulus congestus cloud can attain great altitude due to vertical growth.  In fact the top of … Read more

Photo of Lenticular Clouds over the Canary Islands

Lenticular Clouds
Lenticular Clouds over the Caldera de Taburiente, La Palma, Canary Islands.

Lenticular clouds are a beautiful but rare type of cloud.  Obstructions to the passage of air flow e.g. mountains, can result in the formation of these clouds. Mountains can … Read more