polar front

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polar front

The region or boundary separating air masses of polar origin from those of tropical or subtropical origin.

polar front

(Earth Sciences / Physical Geography) Meteorol a front dividing cold polar air from warmer temperate or tropical air

polar front

The region or boundary separating air masses of polar origin from those of tropical or subtropical origin. The position of the polar front during winter in a particular hemisphere is at approximately 30° latitude, while in the summer it is at approximately 60° latitude. The convergence of warm and cool air masses along the polar front often produces cyclonic wind systems.

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Noun

polar front - the front of an advancing mass of colder air

cold front

front - (meteorology) the atmospheric phenomenon created at the boundary between two different air masses

squall line - a cold front along which squalls or thunderstorms are likely

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cold front front squall line			Mark, who runs the Polar Front adventure sailing business, has been chartered by the Norwegian-based Eco Expeditions adventure travel company for two trips to Jan Meyen. Skipper heads for volcano's heights; Yacht takes group to scale summit by The Journal (Newcastle, England) Scientists are also using the data to investigate: * carbon dioxide absorption by the Southern Ocean's phytoplankton 'sink' * changes in surface temperature within the ACC that may feed back to the atmosphere * the link between sea level rise south of the polar fronts, deep subsurface warming and large-scale wind shifts. Ocean--climate links revealed by Ecos August has been so dismal because the polar front, or the boundary, has stayed quite far south. Summer washout by Evening Chronicle (Newcastle, England)			Poland Poland China Polander Polanisia Polanisia dodecandra Polanisia graveolens Polanski polar polar angle polar axis polar bear polar body polar bond polar cap polar circle Polar circles Polar clock polar coordinate polar coordinate system polar coordinates Polar dial polar distance polar equation Polar equation of a line Polar forces polar front polar glacier polar hare polar lights polar nucleus polar opposite polar opposition polar orbit polar plot Polar projection polar region Polar Regions polar sequence Polar spherical triangle polar star polar wander Polar whale polar zone Polarchy Polari Polaric Polarily polarimeter polarimetry Polaris polarisation			polar diagram polar diagrams Polar dial Polar distance Polar distance polar distances polar distances Polar Earth Observing Network Polar Earth Orbit Polar Earth-Observation Mission Polar easterlies polar electrojet Polar encoding Polar equation Polar equation Polar equation of a line Polar Exchange at the Sea Surface Polar expedition Polar Experiment Polar exploration Polar exploration Polar Fauna polar firn Polar Flora Polar forces Polar form Polar form Polar Format Algorithm Polar fox Polar fox polar front Polar Frontal Jet Polar Geophysical Institute polar glacier polar glacier Polar graph Polar graphing Polar graphs Polar Grassland Polar Grassland polar hare Polar high Polar highs Polar ice Polar ice cap Polar ice cap Polar Ice Coring Office Polar Ice Prediction System Polar Ionosphere Beacon Polar Ionosphere X-Ray Imaging Experiment Polar Ionospheric Beacon Satellite Polar jet stream Polar jet stream polar keying polar lake Polar Lepromatous Polar lights polar line Polar low

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