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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The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...