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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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

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

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

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

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

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

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

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...