Sky's the Limit: Ace Your AMS Certification Test 2026 – Become a Weather Wizard!

Question: 1 / 400

What type of cloud is often referred to as "fair-weather clouds" and appears white and puffy?

Cumulonimbus clouds

Cirrus clouds

Stratus clouds

Cumulus clouds

Cumulus clouds are often referred to as "fair-weather clouds" because they typically indicate stable atmospheric conditions and good weather. These clouds appear white and fluffy with a noticeable flat base, resembling cotton balls in the sky. They form by the upward movement of warm, moist air, which cools and condenses when it rises, creating the characteristic puffy appearance.

In contrast, cumulonimbus clouds are associated with severe weather and thunderstorms, cirrus clouds are thin and wispy, often indicating changing weather but not specifically fair conditions, and stratus clouds form in flat layers, leading to overcast skies and potential light precipitation. This distinction helps in identifying cumulus clouds as indicators of pleasant weather.

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