Dark blue cloudy sky

What is Alto?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus and altocumulus. These clouds are often associated with changing weather patterns.

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Glossary

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

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

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...