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 temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A large body of air having similar horizontal temperature and moisture characteristics.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

The branch of science dealing with the laws of motion of air or other gases.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...