Dark blue cloudy sky

What is Cirrostratus?

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky white, fibrous or vein-like.

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Glossary

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...