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What is Celsius?

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero and the evaporation point as 100.

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Glossary

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

A type of cloud consisting mostly of small particles such as ice particles.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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