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 a Friend What a Friend "What a Friend" is a song performed by Canadian contemporary Christian music (CCM) artist Matt Maher. The song was released as the second single from his 2017 album "Echoes" on September 15, 2017. The song peaked at No. 10 on the US Hot Christian Songs chart, becoming his seventh Top 10 single from that chart. It lasted 26 weeks on the overall chart. The song is played in a E major key, and 110 beats per minute. "What a Friend" was released on September 15, 2017, as the second single from his fifth studio album "Echos". The