What is Subpolar?
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although generally characterized by semi-stationary low-pressure centers such as the Aleutian and Icelandic low-pressure systems, during the winter season, high-pressure areas like the North American and Siberian High can also be seen over large cold land surfaces.
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The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The branch of science dealing with the laws of motion of air or other gases.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
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...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...