When cumulonimbus clouds grow high enough into the atmosphere, the temperature becomes cold enough for ice clouds, or cirrus, ...
Once you understand how certain clouds develop their shapes, you can learn to forecast the weather. Clouds that look like cartoon cotton balls or cauliflower are made up of tiny liquid water droplets ...
Wispy cirrus are ice clouds When cumulonimbus clouds grow high enough ... Clouds made up entirely of ice are usually more transparent. In some cases, you can see the Sun or Moon through them.