Tuesday, April 3, 2012

Isobar Map



http://www.newmediastudio.org/DataDiscovery/Hurr_ED_Center/Hurr_Structure_Energetics/Closed_Isobars/Closed_Isobars.html

Isobars are lines of equal atmospheric pressure that are used in meteorological maps. An isobar map shows the horizontal change in pressure, or the pressure gradient, that occurs due to the movement of air over large spaces. The isobar map above shows closed isobars around a low pressure system. 

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