In meteorology, a Polar Front is the boundary between the polar cell and the Ferrel cell in each hemisphere.
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polar frontal zone"In the Southern Hemisphere, the region of low salinity water between the Antarctic Polar Front and the subantarctic front.
Polar Front: The boundary separating air masses of tropical origin from those of polar origin. The front is usually only present in the far-northern polar regions in summer but dips down to the more southerly temperate latitudes during the winter.
POLAR FRONT A semi-continuous, semi-permanent boundary between polar air masses and tropical air masses. An integral part of an early meteorological theory known as the Polar Front Theory.
Polar Front A semipermanent, semicontinuous front that separates tropical air masses from polar air masses.
Polar front jet stream A corridor of strong westerlies in the upper troposphere between the midlatitude tropopause and the polar tropopause and directly over the polar front.
polar front—The semipermanent, semicontinuous front separating air masses of tropical and polar origins.
positive vorticity—See vorticity.
Polar Front: Front that separates the Polar Air Mass from the Subtropical Air Mass.
Precipitation: Any form of water, liquid or solid, derived from the atmosphere that falls to the earth's surface. It can be rain, snow, hail etc.
Polar front - divies air polar air masses from tropical air masses.
Arctic front - divides cold air from extremely cold air.
Frozen precipitation ...
Polar front
The line of discontinuity, which is developed in suitable conditions between air originating from polar regions and air from low latitudes, and on which the majority of the depressions of temperate latitudes develop.
The Polar Front Jet: As its name implies, this jet stream is associated with the marked discontinuity found at the boundary of well defined air masses - polar to the north/sub tropical to the south (in the northern hemisphere), ...
Examples of this type of jet are the subtropical and polar fronts.TroposphereThe layer of the atmosphere from the earth's surface up to the tropopause, characterized by decreasing temperature with height (except, perhaps, ...
The polar front jet stream often has a speed exceeding 30 m/s, sometimes up to 75 m/s (270 kmph) in the winter, blowing from west to east in both hemispheres.
In some regions along the polar front, cold dense air advances equatorwards, causing warm air to be forced aloft over its sloping surface. This portion of the polar front is known as a cold front.
Cold polar air is replacing warm tropical air.
Type of jet stream found near the tropopause. Examples of this type of jet are the subtropical and polar fronts.
Troposphere ...
Polar Front: Located along the northerly jet stream.
Pollution: Anything that contaminates or alters the normal structure of the component such as: Water Pollution: Air Pollution: Ground Pollution: ...
Tropopause Jets: Jet streams found near the tropopause. Examples of these types of jets are the subtropical and polar fronts.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Arctic front, Cold front, Dew Point Front, Dynamic Lifting, FNT, Front, LTL, Polar Front, Stationary Front, STNRY ...
to the warmer side of the frontal zone); and 3) surface front, the line of intersection of a frontal surface or frontal zone with the earth's surface or, less frequently, with a specified constant-pressure surface. Types of front include polar front, ...
When encountering a strong frontal system (such as a polar front) the hurricane will curve and track along the leading edge of the front or become implanted in it.
 See also: Front, Air, Water, Temperature, High
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