Definition of Atmospheric Pressure: The weight of the air column above a location on Earth exerts atmospheric pressure.
High Pressure: High-pressure systems produce bright sky and fair weather. Descending air stabilizes and reduces cloud formation.
In low-pressure systems, clouds, precipitation, and storms are possible. Air rises and converges, causing instability.
Wind patterns are affected by atmospheric pressure differences when air moves from high-pressure to low-pressure places.
Barometers measure atmospheric pressure. Rising pressure signifies better weather, while lowering pressure may imply worse.
The Earth's rotation deflects air, affecting winds around high- and low-pressure systems.
When air masses with differing pressures meet, weather fronts form. This confluence causes rain or storms.
Altitude reduces atmospheric pressure. Weather patterns may be affected by decreased pressure in high-altitude locations.
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