Polar high Cold anticyclone that originates in a source region for continental polar air.
Polar-orbiting satellite A satellite in relatively low orbit that travels near the geographical poles on meridional trajectories.
It is a cold air outbreak associated with the southward movement of a cold anticyclone. It is usually preceded by a warm and cloudy or rainy spell with southerly winds.
 See also: High, Cold Air, Norther, Satellite, Period
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