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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 branch of science dealing with the laws of motion of air or other gases.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...