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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Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
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A cloud of irregular appearance, composed of irregular cloud fragments.
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An instrument for measuring atmospheric pressure.
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