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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....