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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...