Monday, October 31, 2011

barometer



A barometer is a scientfic instrument used in meteorology to nmeasure atmospheric pressure. It can measure the pressure exerted by the atmosphere using water, air or mecury. Pressure tendency can forecast short term changes in the weather. Nyumerous measurements of air pressure are used within surface weather analysis to help find surface troughs, high pressure systems, and frontal boundaries. A barometer messures air pressure in millibars.

1 comment:

  1. oh this is just real gorgeous keep up the good work fellas!

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