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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

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