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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

An instrument for measuring atmospheric pressure.

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.