High Clouds
Mid-Level Clouds
Low Clouds
Vertical Clouds
Cloud Terms
100

These clouds are the most common high cloud and appear to be "thin and wispy"

What are cirrus clouds?

100

Mid-level clouds form between these altitudes

What is 6,500 to 23,000 feet?

100

Low level clouds form below this altitude

What is 6,500 feet?

100

Vertical clouds are composed of these

What are ice crystals and water droplets?

100

This term describes a tall cumulonimbus cloud with a flat top and shows the movement of the thunderstorm

What is anvil?

200

High level clouds form above this altitude

What is 20,000 feet?

200

These clouds appear as gray, puffy masses, either in waves or bands and are often an "overcast" cloud

What are altocumulus?

200

These clouds appear in rows or patches as low and lumpy

What are stratocumulus?

200

These clouds come in a variety of shapes and have sharp outlines

What are cumulus clouds?

200

This term describes a cloud that is hovers over a mountain and is UFO shaped

What is lenticular?

300

These clouds are thin "sheet-like" clouds that usually produce a "halo" around the sun or moon

What are cirrostratus?

300

Mid-level clouds are composed of these

What are ice crystals and water droplets?

300

Low level clouds are mostly composed of these

What are water droplets?

300

These are often referred to as "towering cumulus" clouds

What are cumulus congestus?

300

This term describes a cloud that is often formed in the wake of a jet aircraft engine

What is contrail?

400

High clouds are mostly composed of these

What are ice crystals?

400

These clouds are a bluish-gray color that cover the sky and create a "milky" look

What are altostratus?

400

These clouds are dark gray and wet-looking, usually associated with a light, continuous precipitation

What are nimbostratus?

400

These are often referred to as "fair weather" clouds

What are cumulus humilis?

400

This term describes a cloud that rotates in a counter-clockwise direction and often produces a tornado

What is a wall cloud?

500

These clouds appear as small, rounded, white puffs and they are either isolated or in rows

What are cirrocumulus?

500

Mid-level clouds are usually a precursor to these

What are storms?

500

These are uniform, grayish clouds that cover the sky, which resemble fog, but don't touch the ground 

What are stratus?

500

These clouds produce thunderstorms and are continuously growing 

What are cumulonimbus?

500

This term describes a cloud formed by a cool downdraft from a thunderstorm 

What is a shelf cloud?

M
e
n
u