Two Units of Air Pressure Used in Weather Reports?

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Current weather in Ashburn, VA
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Q&A Related to "Two Units of Air Pressure Used in Weather Reports..."
The two most common units used for air pressure in weather reports are: Inches of Mercury and Millibars.
http://wiki.answers.com/Q/What_two_units_of_air_pr...
There are three. Inches, Millibars and Kilopascals. The
http://www.chacha.com/question/what-two-units-of-a...
inHg - measured in inches. hPa - measured in millibars.
http://answers.yahoo.com/question/index?qid=200712...
The two main ones are: Metric - kPa (Kilo Pascals) Imperial - PSI (Pounds per Square Inch)
http://answers.yahoo.com/question/index?qid=201009...
1 Additional Answer
The two units of air pressure most commonly used in weather reports are high pressure and low pressure. It's based on the different fronts or wind ranges coming across the area.
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Air pressure or atmospheric pressure is measured using an instrument known as a barometer, which is also used in forecasting the weather and determining the altitude ...
The lines on a weather map that connect places of equal air pressure are called isobars. Bar is a unit of pressure and ISO is a prefix for equal or same. That ...
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