comulus
Cumulonimbus (thunderstorm) clouds are the largest because they stretch very high into the sky as well as far across.
Cirrus clouds
Cirrus clouds are wispy and form very high in the sky, typically above 20,000 feet. They are light and thin, composed of ice crystals, and often indicate fair weather.
cos he likes being high
'Cirrus' is a type of cloud characterized by thin, wispy strands high in the sky.
Just the opposite. Fog nearly touches the Earth; it is low in the sky.
It is called sky high and it is in coral canyons next to the bridge.
Cirrus (Ci): The ice-crystal cloud is a feathery white cloud that is the highest in the sky. It has a wispy looking tail that streaks across the sky and is called a fallstreak. - Kidzworld dot com
A cloud.
A cloud.
Very high electrostatic potential, cloud to earth and cloud to cloud.
One of the rarest types of clouds is the noctilucent cloud, which is a type of cloud that forms in the mesosphere at very high altitudes. They are typically seen in polar regions during the summer months and can appear to glow in the twilight sky.