Contour line factors in a weather system. An isobar (from or "baros", meaning 'weight') is a line of equal or constant pressure on a graph, plot, or map; an isopleth or contour line of pressure. More accurately, isobars are lines drawn on a map joining places of equal average atmospheric pressure reduced to sea level for a specified period of time. In meteorology, the barometric pressures shown are reduced to sea level, not the surface pressures at the map locations. The distribution of isobars is closely related to the magnitude and direction of the wind field, and can be used to predict
What Love Is Made Of number six. In Belgium, on the Ultratip Flanders chart, it charted at the runner-up position, while on the Scotland singles chart, its peak was at number 33. Directed by Emil Nava, the official music video for "What Love Is Made Of" was released on 29 May 2013. According to Michael Depland from MTV Buzzworthy, the visual takes inspiration from the American action film series The Fast and the Furious, as it delves into "the world of underground of street racing". A behind-the-scenes video for it was released on 14 June 2013. The video begins with a closeup shot of Katy's