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Air pressure is highest when it is cool and dry. It is lowest when it warm and humid. In high pressure, the sky is clear and dry, while in low pressure, the sky is warm and muggy and humid, which is where hurricanes can start.

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10y ago
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11y ago

when air is sinking

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Q: When is air pressure usually highest?
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Related questions

Where is the highest air pressure?

air pressure is the highest near the earths surface


What layer is the pressure the highest?

The troposphere is the layer of the earth's atmosphere with the highest air pressure.


What layer is the atmosphere pressure highest?

The troposphere is the layer of the earth's atmosphere with the highest air pressure.


Where on earth is the air pressure the highest?

The air pressure is highest in areas which are the coolestÊwhich leads to air sinkingÊand creating high pressure at the surface. The opposite is true for areas which are warmest. This causes the air to rise, making pressure at the surface lower.


Where would air pressure be the highest on a mountain?

At the base of the mountain.


Which altitudes would have the lowest air pressure and why?

The highest altitudes have the lowest air pressure. Air pressure increases as altitude decreases. Above sea level is lower pressure; below sea level is higher pressure.


What are the five properties of air?

air takes up space AIR HAS pressure air has no odor(usually) air has mass air has no colour (usually)


What case would have the highest air pressure?

A cold, wet day


What is a hot air ballons air pressure?

The hot air balloons air pressure is usually used to explain the principle of buoyancy.


What usually means clear weather because stable air is air is sinking?

high air pressure


Why does cape town usually experience high air pressure weather conditions?

why cape town usually experiences a high air pressure


What is the air pressure during a lightning storm?

Usually it is low pressure.