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

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

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...

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

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

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