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A barometer is an instrument used to measure atmospheric pressure. It can measure the pressure exerted by the atmosphere by using water, air, or Mercury. Pressure tendency can forecast short term changes in the weather. Numerous measurements of air pressure are used within surface weather analysis to help find surface troughs, high pressure systems, and frontal boundaries.

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13y ago
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13y ago

A barometer is used to measure air pressure. There are various types of barometers. Barometers respond to change in air pressure.

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12y ago

It's a useful instrument for detecting weather. It measures air pressure.

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11y ago

precipitation and humidity

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11y ago

it would measure the humiditie

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Q: What is the barometer used for and how does it work?
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