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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

A large body of air having similar horizontal temperature and moisture characteristics.