A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. 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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Famous quotes containing the word barometer:
“The barometer that shows “variable” is an ironic indictment of God.”
—José Bergamín (1895–1983)