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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A cloud of irregular appearance, composed of irregular cloud fragments.