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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Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
Snow that rises to 8 feet or higher.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...