Dark blue cloudy sky

What is Sublimation?

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water vapor.

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Glossary

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

A very cold high pressure that originates over the Arctic Ocean.

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A large body of air having similar horizontal temperature and moisture characteristics.

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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