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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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...