What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.