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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 closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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