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

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

An instrument for measuring atmospheric pressure.

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...