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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.

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

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

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...