What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...