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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 type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

An instrument for measuring atmospheric pressure.

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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....