What are the different types of clouds?

Clouds are classified according to height and form. A few examples are:

Low clouds: below 6,500 ft.

1. cumulonimbus-associated with thunder storms.

2. cumulus- dense, billowy clouds.

3. stratocumulus-soft gray clouds that form pathches or rolls.

4. stratus-low clouds that look like fog.

Middle clouds: 6,500-20,000 ft.

1. altostratus-stratified thin veils that produce light rain.

2. altocumulus-white to gray in color "sheepback" clouds.

High clouds: above 20,000 ft.

1. cirrocumulus-thin and white that appear as ripples or waves.

2. cirrostratus-thin white clouds that appear milky.

3. cirrus- the highest clouds, appear thin and delicate.