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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An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
An instrument for measuring atmospheric pressure.
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.