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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...