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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

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

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

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

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

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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A cloud of irregular appearance, composed of irregular cloud fragments.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...