What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
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 formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.