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 weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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