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A barometer measures atmospheric pressure to determine weather or altitude changes.
Wiki User
∙ 14y ago
Barometric pressure is measured by a barometer, which detects the weight of the air pressing down on Earth's surface. It is commonly measured in units such as millibars or inches of Mercury.
Wiki User
∙ 15y agoA barometer is an instrument used to measure atmospheric pressure -- the pressure exerted by the atmosphere.
Wiki User
∙ 13y agoby the earths gravitational pull the barometer can measure the amount of air pressure in the air, also because of carbons gases
Wiki User
∙ 6y agoAny unit of pressure can be used, such as bar.
Wiki User
∙ 12y agoA barometer measures air pressure
Wiki User
∙ 6y agoIt is measured in kiloPascals, kPa.
Wiki User
∙ 14y agoA Barometer
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What is atmospherical pressure at higher and lower altitude?
In general, barometric pressure, or atmospheric pressure, drops as you go up in elevation. For example, at 18,000 ft. above sea level, the average barometric pressure is about half the average pressure at sea level (see the related links for charts) However, barometric pressure also varies widely with the weather (weather charts almost always show the movement of low pressure and high pressure zones), so true barometric pressure cannot simply be calculated, but must be measured. In the United States, the National Oceanic and Atmospheric Administration provides hourly barometric readings for many locations across the country (see related National Weather Service measurement link)
If barometric pressure falls in one part of the world must it rise somewhere else?
Not necessarily. Barometric pressure changes are influenced by weather systems and atmospheric conditions in a specific region. So, a drop in pressure in one area does not always mean an increase in pressure elsewhere, as it depends on the movement and interaction of different air masses.
What is the mean of 760mm of hg?
760 mm Hg is the standard barometric (atmospheric) pressure. It is the pressure giving a pillar of mercury (the elemental abbreviation of mercury is Hg) that is 760 millimeters (mm) high.
Is the partial pressure of a liquid or solid in a closed container measured at equilibrium at a given temperature?
Yes, at equilibrium in a closed container, the partial pressure of a liquid or solid is the pressure exerted by its vapor in the system. This can be measured using techniques like gas chromatography or by using the ideal gas law.
List different SI units of pressure?
Pressure is a measure of force per area. The SI unit of pressure is a Pascal (Pa) which is equivalent to a Newton per meter squared (N/m2).
Is barometric pressure the same as atmosheric pressure?
Yes, Barometric Pressure and Atmospheric Pressure are the same thing. Except one describes what Atmospheric Pressure would be measured in.
Is temperature measured in centimetres?
NO ... Barometric Pressure is measured in Centimeters or Inches (of Mercury.) Temperature is measured in Degrees Fahrenheit or Degrees Centigrade.
What is biometric pressure?
Barometric pressure is the pressure used by the weight of air over a place of Earth's surface, measured by a barometer.
What is barometric trend?
The change in barometric pressure, air pressure, in the last three hours, measured in milibars. See the following link for the symbols that show past change: http://www.hpc.ncep.noaa.gov/images/pressure_trendNEW.gif
What causes barometric pressure?
Barometric pressure measures the weight of the air.
What unit of measurement does an barometer use?
Barometric pressure is usually measured in inches of mercury, millibars (mb), or hectoPascals (hP).
What scale is the barometer level measured on?
In the United States, barometric pressure is based on inches - with normal being around 29.9 inches. In other parts of the world, the "SI" or metric units are more commonly used to represent barometric pressure.
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 are inches of vacuum?
Pressure is often measured in inches of mercury when describing barometric pressure in weather reports. This term is also known as "inches of mercury vacuum".
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.
