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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

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

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