Middle clouds Altocumulus clouds 6500 feet to 20 000 feet.
Clouds with vertical development Cumulonimbus clouds
High clouds, Cirrus clouds 20 000 feet and above.
Low Clouds, Middle clouds, Clouds with vertical development, High clouds.
Low Clouds, Nimbostratus clouds also known as rainclouds. Surface up to 6000 feet AGL
Middle clouds Altocumulus clouds 6500 feet to 20 000 feet.
Clouds with vertical development Cumulonimbus clouds
High clouds, Cirrus clouds 20 000 feet and above.
Middle clouds Altocumulus clouds 6500 feet to 20 000 feet.
Clouds with vertical development Cumulonimbus clouds
High clouds, Cirrus clouds 20 000 feet and above.