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What is Absolute Humidity?

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air. It indicates the actual amount of water vapor present, without considering temperature or pressure variations.

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Glossary

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...