What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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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...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A cloud of irregular appearance, composed of irregular cloud fragments.
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...