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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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.