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 type of cloud consisting mostly of small particles such as ice particles.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...