barometric tendency

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• barometric tendency — noun : the change of atmospheric pressure during the last few (generally three) hours before a regular observation …   Useful english dictionary

• tendency — As it pertains to meteorology, the variation of any parameter with respect to time, especially atmospheric pressure within the last three hours. Tendency as shown on a station model. The barometric tendency (i.e., the change of barometric… …   Aviation dictionary

• pressure tendency — The change in pressure during three hours prior to the observation recording time. It is indicated on the right of station picture in a synoptic chart. Also known as a barometric tendency. See also tendency. On a station model drawn on a synoptic …   Aviation dictionary

• Barograph — A barograph is a recording aneroid barometer. It produces a paper or foil chart called a barogram that records the barometric pressure over time.Barographs use one or more aneroid cells acting through a gear or lever train to drive a recording… …   Wikipedia

• БАРИЧЕСКАЯ ТЕНДЕНЦИЯ — (Barometric tendency) величина изменения атмосферного давления за определенный срок, а именно за последние три часа до срока наблюдения. Самойлов К. И. Морской словарь. М. Л.: Государственное Военно морское Издательство НКВМФ Союза ССР, 1941 …   Морской словарь

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• Barometer — Schematic drawing of a simple mercury barometer with vertical mercury column and reservoir at base …   Wikipedia

• Automated airport weather station — Automated airport weather stations are automated sensor suites which are designed to serve aviation and meteorological observing needs for safe and efficient aviation operations and weather forecasting. Automated airport weather stations have… …   Wikipedia

• Weather forecasting — weather forecaster redirects here. For other uses, see Weatherman (disambiguation). Forecast of surface pressures five days into the future for the north Pacific, North America, and north Atlantic ocean. Weather forecasting is the application of… …   Wikipedia

• Mass versus weight — The chains on the swing hold all the child’s weight. If one were to stand behind her at the bottom of the arc and try to stop her, one would be acting against her inertia, which arises purely from mass, not weight. In everyday usage, the mass of… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium