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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.