Find out more about the clouds in the sky including what clouds are made of and the different types of clouds.
Interested in weather observations? Find out about cloud formation and what clouds are made of.
Use our cloud spotting guide and video to help identify different types of clouds in the sky.
Help with identifying low-level clouds - cumulus, cumulonimbus, stratocumulus and stratus.
Information on spotting medium-height clouds - altocumulus, altostratus and nimbostratus.
Identifying cirrus, cirrocumulus and cirrostratus clouds. All high-level clouds - where the base is above 20,000 ft - are a type of cirrus cloud.
Guide to observing other cloud phenomena including noctilucent night clouds and contrails.