high pressure or anticyclones. anticyclones are the opposite of depressions - they are area of high...
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High Pressure or Anticyclones
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Anticyclones are the opposite of depressions - they are area of high atmospheric pressure, where the air is sinking.
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•As the air is sinking, not rising, no clouds or rain are formed. This is because as the air sinks it warms - meaning it can hold more water.
•The absence of fronts means winds may be very light.
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•Consequently, high pressure areas are often associated with settled, dry and bright conditions.
•In summer, anticyclones bring dry, hot weather. In winter, clear skies may bring cold nights and frost.
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In cold conditions anticyclones may also bring fog and mist, as the cold forces moisture in air to condense at low altitudes.
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Low Pressure Systems
Depressions or Mid-Latitude Cyclones
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