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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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Snow that rises to 8 feet or higher.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...