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

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Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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