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An anticyclone is a weather phenomenon characterised by a large-scale circulation of winds around a central region of..
  • A
    low atmospheric pressure, rotating clockwise in the northern hemisphere, counter-clockwise in the southern hemisphere.
  • B
    low atmospheric pressure, rotating clockwise in the southern hemisphere, counter-clockwise in the northern hemisphere.
  • C
    high atmospheric pressure, rotating clockwise in the southern hemisphere, counter-clockwise in the northern hemisphere.
  • D
    high atmospheric pressure, rotating clockwise in the northern hemisphere, counter-clockwise in the southern hemisphere.
An anticyclone (that is, opposite to a cyclone) is a weather phenomenon defined by the United States National Weather Service's glossary as "a large-scale circulation of winds around a central region of high atmospheric pressure, clockwise in the Northern Hemisphere, counterclockwise in the Southern Hemisphere".

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