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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The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A type of cloud consisting mostly of small particles such as ice particles.
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.