What is Arctic High?

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...