Dark blue cloudy sky

What is Atmosphere?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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Glossary

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A very cold high pressure that originates over the Arctic Ocean.

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

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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