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tell us the air preasure

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Q: What does Barometric Pressure tell us?
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Why is barometric trend important to know?

The Barometric Trend will tell you the air pressure. If the air pressure is high the weather will be clear and sunny, but if the air pressure is low the weather will be cloudy.


What two measurements do they use to tell elevation?

barometric pressure.


What does an isobar on a map tell?

It joins places of similar barometric pressure


Why is the barometric trend important to know?

The Barometric Trend is important to know so as to be able to tell air pressure. If the air pressure is high, the weather will be sunny, but if the air pressure is low, the weather will be cloudy.


What causes barometric pressure?

Barometric pressure measures the weight of the air.


How can dogs tell when a storm is approaching?

They can detect the change in barometric pressure that precedes a storm.


How are blood pressure and barometric pressure associated?

blood vessels constrict according to barometric pressure


What causes increases in barometric pressures?

Low and high pressure systems. Obviously if you have a Low pressure system the barometric pressure will get low. High pressure causes the barometric pressure to rise.


What happens when barometric pressure increases?

When the barometric pressure rises it means calm fair weather is coming or is already occurring. When the barometric pressure falls it means foul weather is on the way such as rain and storms and clouds.


The center of a hurricane is characterized by very low what?

A hurricane has very low barometric pressure.


Does barometric pressure go up or down in tornadoes?

Barometric pressure goes down in a tornado.


What does the drop in barometric pressure from 1003 millibars to 926 millibars tell you about a hurricane?

Umm I dont know