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 instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...