Dark blue cloudy sky

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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...