What is Precipitation?
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.
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A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A large body of air having similar horizontal temperature and moisture characteristics.