Compléter Atmospheric pressureVersion en ligne Activity to revise atmospheric pressure par Susana López 1 unstable dry ascends heavier more force clouds clear lower anticyclones lighter higher high less depressions weight clouds Atmospheric pressure is the exerted at a specific point on the Earth's surface by the of the air above it . Areas of high pressure are called . Areas of low pressure are called . FACTORS AFFECTING PRESSURE ? Altitude : pressure is in a low - lying area because there is air above it . ? Temperature : pressure is in a hot zone because hot air weighs than cold air . Anticyclones produce , stable weather and skies because the wind always moves form pressure to low pressure so it can't bring any inside . Moreover , in high pressure areas the air is than in a low pressure area , so it can't ascend , get colder and form . Depressions produce weather , rain and storms because the wind always moves form high pressure to low pressure , so it can bring clouds inside . Moreover , in low pressure areas the air is than in high pressure areas , so it , gets colder and forms clouds .
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