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 She Is (Is a Woman in Love) Hot Country Singles for the week of March 12, 1988. What She Is (Is a Woman in Love) "What She Is (Is a Woman in Love)" is a song written by Bob McDill and Paul Harrison and recorded by American country music artist Earl Thomas Conley. It was released in February 1988 as the lead single from the album, "The Heart of It All". The song was Earl Thomas Conley's fifteenth number one on the country chart. The single went to number one for one week and spent a total of thirteen weeks on the country chart. "What She Is