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What is Sublimation?

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

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Glossary

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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 condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...