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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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6mo ago

A barometer is used to measure atmospheric pressure. It works by comparing the weight of the air above it to a vacuum inside the instrument. High atmospheric pressure typically indicates fair weather, while low pressure often indicates stormy or rainy conditions.

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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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13y ago

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

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12y ago

precipitation and humidity

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12y 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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