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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A large body of air having similar horizontal temperature and moisture characteristics.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A type of cloud consisting mostly of small particles such as ice particles.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...