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In the atmosphere a storm could make it change, or if there is a hole in whatever is holding the air in :)

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12y ago
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Q: What are 2 main reasons air pressure changes?
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Related questions

What does air pressure changes with changes?

air mass


Why are there changes in air movement air pressure and humidity?

There are changes in air movement,air pressure ,and humidity because of the weather and the condensation.


What is the changes in air pressure caused by?

The changes are caused by the weight of air above it.


How does air pressure changes in tornado?

The air pressure drops sharply in a tornado


What is the tool that records air pressure changes?

Barometer is the instrument that measures air pressure


What provides the ultimate driving source for wind?

changes in air pressure cause wind, but the sun is the major factor in changes to air pressure.


What has an airtight metal chamber that is sensitive to changes is air pressure?

Aneroid barometer is an airtight metal chamber that is sensitive to changes in air pressure


what main factors cause the air in earths atmosphere to move?

uneven heating by the sun causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.


Does the air pressure change during the formation of a hurricane and why is that important?

yes the air pressure changes


What happens when air pressure changes?

space cold air has greater air pressure height above earth and moist are that has less air pressure


What changes temperature and weather?

It changes when air pressure increases or decreases


What do changes in air pressure cause?

our weather!