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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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....