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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...