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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...