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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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

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

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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