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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...