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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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