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

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

A very cold high pressure that originates over the Arctic Ocean.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

An instrument for measuring atmospheric pressure.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...