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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

Snow that rises to 8 feet or higher.

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

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

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