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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.