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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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...