What is Barometer?

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

An instrument for measuring atmospheric pressure.

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