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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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...