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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Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...