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

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

A large body of air having similar horizontal temperature and moisture characteristics.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...