What is Arctic High?

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

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

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

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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