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High/Lows (Data displayed by weather maps (isobars- indicate points of…
High/Lows
Data displayed by weather maps
isobars- indicate points of equal air pressure
L: low pressure areas
characteristics
pressure decreases
lowest in the centre
air moves up
clockwise rotation of air
examples
east coast lows
cyclones
H: high pressure areas
example
anticyclone
characteristic
wind moves in anticlockwise
fine weather
atmospheric pressure increases towards the centre
Used for
mainly presence of cold fronts- approach of cooler weather