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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...