Clouds
Cloud Indications
100

These clouds are detached, dense clouds with sharp outlines, characterized by flat bases and rounded, cauliflower-like tops.

What is a Cumulus cloud?

100

What do Cumulus clouds indicate?

Fair, pleasant weather.

200

These clouds are low-altitude, horizontal, and featureless gray or white cloud sheets, often resembling "high fog" or a dull blanket covering the sky.

What is a Stratus cloud?

200

What do Stratus clouds indicate?

Overcast, gloomy days with light, consistent weather, such as drizzle, mist, or light snow.

300

These clouds are high-altitude, thin, wispy clouds composed of ice crystals that form above 18,000 to 23,000 feet.

What is a Cirrus cloud?

300

What do Cirrus clouds indicate?

Fair weather in the short term, but they often signal an approaching change in weather.

400

These cloud form a towering mass with a flat base at fairly low altitude and often a flat top, as in thunderstorms.

What is are Cumulonimbus clouds?

400

What do Cumulonimbus cloud indicate?

Severe weather.

500

These clouds are high-altitude, small, white, patchy "popcorn" clouds that appear in rows or ripples. Often called a "mackerel sky" due to their fish-scale appearance, they signify fair but cold weather in temperate regions.

What is a Cirrocumulus cloud?

500

What do Cirrocumulus clouds indicate?

Fair but cold weather.

M
e
n
u