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

A very cold high pressure that originates over the Arctic Ocean.

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

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

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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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