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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A cloud of irregular appearance, composed of irregular cloud fragments.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...