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Anticyclones - Coggle Diagram
Anticyclones
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Characteristics
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-
-
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low/weak wind speeds
- due to HIGH pressure
+isobars are far apart
- so PGF is small
- wind speeds slow
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Why form?
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- when air flows in PFJS and
approaches a trough/Rossby Wave...
-
-
- resulting in
subsiding air
- air molecules descend
clockwise to ground's
surface = ANTICYCLONE
Winter
Anticyclone
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clear skies
- result in loss of heat energy
- leads to dewy conditions
- low night time temperatures lead to intense cooling of land
- increased risk of dew, frost &
thick fog
cold temperatures
- less daylight hours
- incoming radiation less than
outgoing radiation
- ∴ low temps
Summer
Anticyclone
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-
clear skies
- results loss of heat energy
- lead to dewy conditions
- low night temps
- result formation early morning mist
- NOT PERSIST - due to high temps
warm temperatures
- more hours of daylight
- incoming radiation more
than outgoing radiation during
shorter nights
- ∴ high temps