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

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...