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

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

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...