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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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...