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What is Precipitation?

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

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Glossary

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...