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

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

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A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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Snow that rises to 8 feet or higher.