Cirrus clouds, high-altitude clouds that appear feathered ... Regularly take time to gaze at the sky and note the types of clouds you see, their shapes, and movements. Keep a cloud diary to ...

However, if the air is particularly warm and humid, and the atmosphere above is much colder, cumulus clouds can rapidly grow ...

Wispy cirrus are ice clouds When cumulonimbus clouds ... There are a number of other unique and beautiful cloud types that can form as air rises over mountain slopes and other topography.

The best time to view iridescent clouds is when the sun is low on the horizon, typically within two hours of sunrise or ...