Isobars

Isobars map types are going to show certain areas of the same barometric pressure by connecting lines. This isobar is of Europe and the Mediterreanean used by the weather program in Germany.

http://www.google.com/imgres?imgurl=http://z.about.com/d/german/1/0/1/J/aWetteurfronts.jpg&imgrefurl=http://german.about.com/library/bldwetter_iso01.htm&usg=__iOxfvf6AkVjx6XPeGgSf9mN3sUM=&h=240&w=320&sz=24&hl=en&start=5&itbs=1&tbnid=KrpYnjJo-6a66M:&tbnh=89&tbnw=118&prev=/images%3Fq%3DIsobars%26hl%3Den%26sa%3DG%26gbv%3D2%26ndsp%3D21%26tbs%3Disch:1